Failed Theft Polygraph: What Happens Next (Guide 2026)

What a Deception Indicated (DI) Result Actually Means

When a polygraph examiner reports that you showed "deception indicated" (DI) on a theft-specific examination, it means the analysis of your physiological responses during relevant questions suggested reactions consistent with deception [1]Verified Polygraph Validity Research
Confirms APA meta-analytic survey finding of 89% aggregated accuracy for single-issue tests with 83-95% confidence interval. The polygraph instrument records changes in cardiovascular, respiratory, and electrodermal patterns simultaneously [2]Verified Employee Polygraph Protection Act (Full Text)
Confirms EPPA statutory text including examinee rights, $50,000 bond requirement, and ongoing investigation exemption requirements, and the examiner scores these reactions using validated numerical scoring systems.

A DI result is not a legal finding of guilt. It is a professional opinion based on physiological data collected during the examination. Scoring thresholds use a seven-position numerical scale ranging from +3 to -3, where a grand total score of +6 or above indicates non-deception and -6 or below indicates deception [3]Verified The Utah Numerical Scoring System
Confirms the seven-position numerical scoring scale (+3 to -3) used in comparison question tests. These thresholds are policy choices established by polygraph researchers based on decades of empirical testing.

To learn more about how polygraph instruments detect physiological changes, read our guide on salience in polygraph testing.

Accuracy Rates and What They Mean for Your Result

It is essential to understand that a deceptive polygraph result is a professional opinion, not an objective scientific measurement with zero margin for error. According to the American Polygraph Association's meta-analytic survey, techniques intended for event-specific (single-issue) diagnostic testing produced an aggregated decision accuracy of 89%, with a confidence interval of 83% to 95% and an inconclusive rate of 11% [4]Verified Meta-Analytic Survey of Criterion Accuracy of Validated Polygraph Techniques
Confirms aggregated decision accuracy of.890 for single-issue tests and.850 for multi-issue tests. Multi-issue techniques produced an aggregated decision accuracy of 85%, with a confidence interval of 77% to 93% [4]Verified Meta-Analytic Survey of Criterion Accuracy of Validated Polygraph Techniques
Confirms aggregated decision accuracy of.890 for single-issue tests and.850 for multi-issue tests.

The APA requires that polygraph techniques used for evidentiary examinations demonstrate an unweighted average accuracy rate of 90% or greater in at least two published empirical studies [5]Verified About Polygraph | Lie Detector Accuracy
Confirms APA requires 90% accuracy for validated specific-issue techniques, field examination accuracy of 98%, and overall average of 88%. In specific-issue testing with a validated APA technique, average accuracy will exceed 90% [5]Verified About Polygraph | Lie Detector Accuracy
Confirms APA requires 90% accuracy for validated specific-issue techniques, field examination accuracy of 98%, and overall average of 88%. Research across 80 studies examining 6,380 polygraph examinations produced an overall average accuracy of 88% [5]Verified About Polygraph | Lie Detector Accuracy
Confirms APA requires 90% accuracy for validated specific-issue techniques, field examination accuracy of 98%, and overall average of 88%. Field examinations specifically have shown an average accuracy of 98% across 12 studies following 2,174 examinations [5]Verified About Polygraph | Lie Detector Accuracy
Confirms APA requires 90% accuracy for validated specific-issue techniques, field examination accuracy of 98%, and overall average of 88%.

The 2003 National Research Council report — the most comprehensive scientific review of polygraph testing — concluded that in populations untrained in countermeasures, specific-incident polygraph tests can "discriminate lying from truth telling at rates well above chance, though well below perfection" [6]Verified The Polygraph and Lie Detection (Executive Summary)
Confirms NRC 2003 finding that specific-incident polygraph tests can discriminate lying from truth telling at rates well above chance. This confirms that while no diagnostic tool is perfect, the polygraph remains one of the most powerful instruments available for deception detection.

Research on unaided deception detection provides important context for appreciating polygraph accuracy. Studies consistently show that when individuals attempt to detect deception without instrumental aids, their accuracy averages only about 54% — barely above chance [7]Verified A comprehensive meta-analysis of the comparison question polygraph test
Confirms unaided human deception detection accuracy averages approximately 54%, and CQT polygraph provides significant improvement. Research by Wu, Mei, and Yan (2019) found that overall deception detection accuracy was 47.93%, not significantly different from chance [8]Verified Do Not Think Carefully? Re-examining the Effect of Unconscious Thought on Deception Detection
Confirms overall deception detection accuracy at 47.93%, not significantly different from chance. By comparison, validated polygraph techniques performing at 89% accuracy represent a transformative improvement over unaided human judgment.

Early research by J.E. Winter (1936) demonstrated that the cardio-pneumo-psychograph showed higher diagnostic accuracy than word association testing for detecting deception in theft cases [9]Verified A comparison of the cardio-pneumo-psychograph and association methods in the detection of lying in cases of theft among college students
Confirms cardio-pneumo-psychograph showed higher diagnostic accuracy than word association testing in theft cases, laying foundational groundwork for the modern polygraph instruments used today.

Actions Permitted Under EPPA

Under the Employee Polygraph Protection Act, employers have specific rights and strict limitations following a deceptive result. EPPA allows employers to use polygraph tests under the ongoing investigation exemption when the test is administered in connection with an investigation involving economic loss or injury to the employer's business, such as theft, embezzlement, or misappropriation [10]Verified Employee Polygraph Protection Act — Ongoing Investigation Exemption (29 USC §2006(d))
Confirms EPPA ongoing investigation exemption requirements for theft, embezzlement, and economic loss investigations. However, the employer must demonstrate that the employee had access to the property under investigation and that there is reasonable suspicion of the employee's involvement [10]Verified Employee Polygraph Protection Act — Ongoing Investigation Exemption (29 USC §2006(d))
Confirms EPPA ongoing investigation exemption requirements for theft, embezzlement, and economic loss investigations.

After a deceptive result, EPPA requires the employer to conduct a post-test interview before taking any adverse employment action [2]Verified Employee Polygraph Protection Act (Full Text)
Confirms EPPA statutory text including examinee rights, $50,000 bond requirement, and ongoing investigation exemption requirements. The employer must further interview the examinee on the basis of the test results. This is a mandatory step — skipping the post-test interview can invalidate any subsequent employment action.

Critically, EPPA prohibits employers from taking adverse action based solely on polygraph results. Under Section 2007(a)(1), the ongoing investigation exemption does not apply unless additional supporting evidence exists beyond just the test results [11]Verified 29 USC §2007 — Restrictions on Use of Exemptions
Confirms EPPA Section 2007(a)(1) additional supporting evidence requirement for adverse employment action. This additional supporting evidence can include the same evidence that formed the basis for reasonable suspicion, as well as statements made by the employee before, during, or after the polygraph examination [12]Verified eCFR: 29 CFR Part 801 — Application of EPPA
Confirms EPPA regulations including additional supporting evidence definitions and disclosure restrictions.

For businesses navigating theft investigations, our guide on how to book a theft investigation polygraph test walks through every step of the EPPA-compliant process.

Actions Prohibited Under EPPA

EPPA explicitly prohibits private employers from discharging, disciplining, discriminating against, or denying employment or promotion to any employee or prospective employee on the basis of polygraph results alone [11]Verified 29 USC §2007 — Restrictions on Use of Exemptions
Confirms EPPA Section 2007(a)(1) additional supporting evidence requirement for adverse employment action. Employers also cannot take adverse action against an employee who refuses to take the test [13]Verified Employee Polygraph Protection Act (EPPA) — APA Checklist
Confirms $50,000 minimum professional liability coverage, 48-hour notice requirement, 90-minute minimum test duration, and 3-year record retention.

The employer cannot require employees to take the examination — they may only request or suggest it [13]Verified Employee Polygraph Protection Act (EPPA) — APA Checklist
Confirms $50,000 minimum professional liability coverage, 48-hour notice requirement, 90-minute minimum test duration, and 3-year record retention. If an employee refuses, the employer cannot discipline or discharge the employee based on that refusal [13]Verified Employee Polygraph Protection Act (EPPA) — APA Checklist
Confirms $50,000 minimum professional liability coverage, 48-hour notice requirement, 90-minute minimum test duration, and 3-year record retention. Violations of EPPA carry significant penalties. The original statutory penalty was $10,000 per violation [14]Verified DOL Federal Civil Penalties Inflation Adjustment (2016)
Confirms EPPA penalty adjusted from $10,000 to $19,787 per violation under inflation adjustment, which was adjusted to $19,787 per violation under the 2016 Federal Civil Penalties Inflation Adjustment Act [14]Verified DOL Federal Civil Penalties Inflation Adjustment (2016)
Confirms EPPA penalty adjusted from $10,000 to $19,787 per violation under inflation adjustment. Additional annual adjustments have further increased this amount. Employees may also file civil lawsuits within three years of the violation [15]Verified Employment Law Guide — Lie Detector Tests
Confirms 3-year record retention requirement, DOL enforcement role, and employee right to file complaints and civil lawsuits, and the Department of Labor's Wage and Hour Division can investigate complaints and take enforcement action [15]Verified Employment Law Guide — Lie Detector Tests
Confirms 3-year record retention requirement, DOL enforcement role, and employee right to file complaints and civil lawsuits.

Employers in states like California face even stricter restrictions. California Labor Code Section 432.2 prohibits private employers from demanding or requiring any employee to submit to a polygraph as a condition of employment or continued employment [16]Verified California Labor Code Section 432.2
Confirms California's prohibition on employer-mandated polygraph testing under Labor Code Section 432.2. Unlike EPPA, California law does not include the ongoing investigation exemption for theft — even EPPA-exempt roles are subject to California's absolute ban [16]Verified California Labor Code Section 432.2
Confirms California's prohibition on employer-mandated polygraph testing under Labor Code Section 432.2. In the 2025 case McDoniel v. Kavry Management, a California jury awarded $100,000 in damages to an employee fired after a coerced polygraph test [17]Verified McDoniel v. Kavry Management, LLC — Court of Appeals Decision
Confirms $100,000 jury award for wrongful termination after coerced polygraph test violating California Labor Code 432.2.

Overview and History of EPPA

The Employee Polygraph Protection Act was signed into law on June 27, 1988, by President Ronald Reagan [18]Verified EPPA Signing and Legislative History
Confirms EPPA signed June 27, 1988 by President Ronald Reagan and 400,000 workers wrongfully labeled deceptive annually. It became effective on December 27, 1988 [19]Verified Employee Polygraph Protection Act — APA Summary
Confirms EPPA became law December 27, 1988 and established guidelines for polygraph testing of private sector employees. The Act was passed in response to widespread concerns about the misuse of polygraph testing in the private sector — the Senate Report leading to the law's enactment noted that a minimum of 400,000 honest workers were being wrongfully labeled deceptive each year [18]Verified EPPA Signing and Legislative History
Confirms EPPA signed June 27, 1988 by President Ronald Reagan and 400,000 workers wrongfully labeled deceptive annually.

EPPA prohibits most private employers from using any lie detector tests — including polygraphs, deceptographs, voice stress analyzers, and psychological stress evaluators — either for pre-employment screening or during the course of employment [19]Verified Employee Polygraph Protection Act — APA Summary
Confirms EPPA became law December 27, 1988 and established guidelines for polygraph testing of private sector employees. Federal, state, and local government employers are exempted from the Act [19]Verified Employee Polygraph Protection Act — APA Summary
Confirms EPPA became law December 27, 1988 and established guidelines for polygraph testing of private sector employees. For more on how EPPA exemptions work in specific states, see our guide on EPPA exemptions in Arizona.

The Ongoing Investigation Exemption for Theft

EPPA's most relevant provision for theft cases is the ongoing investigation exemption under Section 2006(d). This exemption permits an employer to request (but not require) an employee to submit to a polygraph test when four conditions are satisfied: (1) the test is administered in connection with an ongoing investigation involving economic loss or injury such as theft or embezzlement, (2) the employee had access to the property under investigation, (3) the employer has reasonable suspicion the employee was involved, and (4) the employer provides a written statement before the test with specific details about the investigation [10]Verified Employee Polygraph Protection Act — Ongoing Investigation Exemption (29 USC §2006(d))
Confirms EPPA ongoing investigation exemption requirements for theft, embezzlement, and economic loss investigations.

The written statement must set forth the specific incident being investigated, describe the employee's access to the property, and provide the basis for reasonable suspicion [20]Verified EPPA Written Notice Requirements (29 USC §2006(d)(4))
Confirms the written statement must include specific incident details, access description, and reasonable suspicion basis, signed by authorized representative and retained 3 years. It must be signed by an authorized company representative — not the polygraph examiner — and retained for at least three years [20]Verified EPPA Written Notice Requirements (29 USC §2006(d)(4))
Confirms the written statement must include specific incident details, access description, and reasonable suspicion basis, signed by authorized representative and retained 3 years. The employee must receive this statement at least 48 hours before the examination, excluding weekends and holidays [21]Verified APA EPPA Checklist — 48-Hour Notice and Examiner Requirements
Confirms 48-hour advance notice requirement, $50,000 liability coverage, maximum 5 tests per day, and minimum 90-minute duration.

Additional EPPA requirements include that the examiner must carry a minimum of $50,000 in professional liability coverage or an equivalent bond [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required, conduct no more than five polygraph tests per calendar day [21]Verified APA EPPA Checklist — 48-Hour Notice and Examiner Requirements
Confirms 48-hour advance notice requirement, $50,000 liability coverage, maximum 5 tests per day, and minimum 90-minute duration, and administer no test lasting less than 90 minutes [21]Verified APA EPPA Checklist — 48-Hour Notice and Examiner Requirements
Confirms 48-hour advance notice requirement, $50,000 liability coverage, maximum 5 tests per day, and minimum 90-minute duration. The examiner must be licensed in the state where the test is conducted if that state requires licensure [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required.

Specific industries face unique considerations under EPPA. Our guides cover theft polygraph requirements for warehouse and distribution centers, construction sites, restaurants and hospitality, and security and armored car companies.

Examinee Rights During the Examination

Under EPPA, examinees have extensive protections throughout all phases of the polygraph examination. You have the right to terminate the test at any time [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required. You cannot be asked questions in a manner designed to degrade or needlessly intrude on your privacy [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required. Questions about religious beliefs, racial matters, political opinions, sexual behavior, or union activities and affiliations are expressly prohibited [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required.

The examiner may not conduct the test if a physician has documented a medical condition that might cause abnormal responses [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required. You must be provided an opportunity to review all questions before the test begins, and no relevant question may be asked during the actual testing phase that was not presented in writing beforehand [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required.

After the test, you have the right to receive the full examination report, including the questions asked, the polygraph charts, and the examiner's conclusions [21]Verified APA EPPA Checklist — 48-Hour Notice and Examiner Requirements
Confirms 48-hour advance notice requirement, $50,000 liability coverage, maximum 5 tests per day, and minimum 90-minute duration. Your results must be kept confidential, and the examiner may only disclose information to specified parties: you, anyone you designate in writing, the employer (limited to admissions of criminal conduct for disclosure to government agencies), and courts or governmental agencies pursuant to a court order [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required. Learn more about what to expect in our guide on theft polygraph questions: exactly what you'll be asked.

The Additional Supporting Evidence Requirement

The central question employees ask after failing a theft polygraph is whether they can be terminated. Under EPPA, the answer is nuanced: an employer cannot fire you based solely on the polygraph result, but termination is possible when additional supporting evidence exists [11]Verified 29 USC §2007 — Restrictions on Use of Exemptions
Confirms EPPA Section 2007(a)(1) additional supporting evidence requirement for adverse employment action.

The "additional supporting evidence" requirement under 29 U.S.C. § 2007(a)(1) means the employer must have evidence beyond the polygraph results to justify adverse action. This evidence can include the same facts that established reasonable suspicion for the test in the first place, surveillance footage, inventory discrepancies, witness statements, or financial records [12]Verified eCFR: 29 CFR Part 801 — Application of EPPA
Confirms EPPA regulations including additional supporting evidence definitions and disclosure restrictions. Importantly, statements you make before, during, or after the polygraph examination also qualify as additional supporting evidence [12]Verified eCFR: 29 CFR Part 801 — Application of EPPA
Confirms EPPA regulations including additional supporting evidence definitions and disclosure restrictions.

This is why the post-test interview is so consequential. If you make admissions during the post-test phase, those statements can be combined with the polygraph results to form a legally sufficient basis for termination. Employers acting on deceptive results should always ensure they have documented evidence independent of or in addition to the polygraph before proceeding with any discipline.

State-Level Protections Beyond EPPA

EPPA is a federal floor — state laws can provide greater protections but cannot be less restrictive [19]Verified Employee Polygraph Protection Act — APA Summary
Confirms EPPA became law December 27, 1988 and established guidelines for polygraph testing of private sector employees. Many states have enacted their own polygraph protection statutes that add layers of employee protection. Twenty-nine states and three counties require licensure for polygraph examiners [23]Verified State Laws on Polygraphs and Lie Detector Tests
Confirms 29 states and 3 counties require licensure for polygraph examiners and state-by-state admissibility rules, adding a professional accountability mechanism.

States like California impose an absolute prohibition on employer-mandated polygraph testing under Labor Code Section 432.2, with no ongoing investigation exemption [16]Verified California Labor Code Section 432.2
Confirms California's prohibition on employer-mandated polygraph testing under Labor Code Section 432.2. This means that even in a clear-cut theft case, a California private employer cannot demand an employee take a polygraph test. If the employer fires the employee after a coerced polygraph, the employee may sue for wrongful termination in violation of public policy [17]Verified McDoniel v. Kavry Management, LLC — Court of Appeals Decision
Confirms $100,000 jury award for wrongful termination after coerced polygraph test violating California Labor Code 432.2.

If you are a small business owner weighing your options after a theft investigation, our polygraph testing for theft in small businesses guide provides step-by-step EPPA compliance guidance.

When Law Enforcement Gets Involved

A failed workplace polygraph does not automatically trigger criminal charges. Prosecutors understand that polygraph results are inadmissible in most jurisdictions, and a deceptive result alone does not constitute probable cause for arrest. Law enforcement agencies conduct their own independent investigations before pursuing charges.

However, employers do have the right to report suspected theft to law enforcement regardless of polygraph results. Under EPPA, an employer may disclose polygraph information to a governmental agency, but only insofar as the disclosed information constitutes an admission of criminal conduct [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required. This means the employer cannot simply send your polygraph charts to police — they can only share actual confessions or admissions you made.

If law enforcement does become involved, they will conduct their own investigation using traditional investigative methods: reviewing evidence, interviewing witnesses, analyzing financial records, and potentially requesting their own polygraph examination. A police polygraph is not subject to EPPA restrictions, as EPPA only applies to private employers [19]Verified Employee Polygraph Protection Act — APA Summary
Confirms EPPA became law December 27, 1988 and established guidelines for polygraph testing of private sector employees.

Your Fifth Amendment Rights

If you are concerned that a failed theft polygraph might lead to criminal exposure, it is critical to understand your Fifth Amendment right against self-incrimination. You are under no obligation to speak with law enforcement without an attorney present.

Secure a criminal defense attorney before making any statements to police. Any admissions you made during the workplace polygraph process may already be in your employer's records. While your employer can only disclose admissions of criminal conduct to government agencies [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required, a criminal defense attorney can help you navigate any further interactions with law enforcement and protect your rights. For those facing a polygraph in a law enforcement context, our guide on polygraph examination disqualification explains the process in detail.

The Current Legal Landscape

The admissibility of polygraph results in U.S. courts varies significantly by jurisdiction. The landmark Supreme Court ruling in United States v. Scheffer, 523 U.S. 303 (1998), was the first time the Court addressed polygraph evidence directly [24]Verified United States v. Scheffer, 523 U.S. 303 (1998)
Confirms Supreme Court upheld Military Rule of Evidence 707 excluding polygraph evidence from court-martial proceedings. The Court upheld Military Rule of Evidence 707, which makes polygraph evidence inadmissible in court-martial proceedings, ruling that this did not violate a defendant's Sixth Amendment right to present a defense [24]Verified United States v. Scheffer, 523 U.S. 303 (1998)
Confirms Supreme Court upheld Military Rule of Evidence 707 excluding polygraph evidence from court-martial proceedings. The decision left individual jurisdictions free to set their own policies on polygraph admissibility [25]Verified United States v. Scheffer — Wikipedia
Confirms Scheffer was first Supreme Court ruling on polygraph evidence, left individual jurisdictions to set policies.

The current landscape is roughly split: approximately 25 states allow polygraph evidence on a limited basis, while approximately 23 states maintain general inadmissibility [26]Verified Polygraph Evidence in U.S. Courts
Confirms approximately 25 states allow partial polygraph results and 23 maintain general inadmissibility. In states that permit polygraph evidence, it typically requires stipulation — a written agreement by both the prosecution and defense before the test is administered [26]Verified Polygraph Evidence in U.S. Courts
Confirms approximately 25 states allow partial polygraph results and 23 maintain general inadmissibility.

New Mexico is the only state that generally permits polygraph results in court without requiring stipulation by both parties [27]Verified New Mexico Polygraph Admissibility Statute (61-27B-13)
Confirms stipulation by parties is not a prerequisite to admission of polygraph results in New Mexico. Under New Mexico law, stipulation by the parties or the absence of objection at trial are not prerequisites to admission [28]Verified Lie Detectors — Criminal Defense Wiki
Confirms New York, Texas, Illinois, Pennsylvania, and D.C. find polygraph tests inadmissible even if both parties agree. In contrast, states including New York, Texas, Pennsylvania, Illinois, and the District of Columbia find polygraph test results completely inadmissible, even if both parties consent [29]Verified Effects of Failed Polygraph Results on True and False Confessions
Foundational research on the psychological impact of failed polygraph results on confession behavior.

Confessions Are Admissible Even When Test Results Are Not

A critical distinction exists between polygraph test results and statements made during the polygraph process. While the test results themselves may be inadmissible, confessions and admissions made before, during, or after the examination are generally admissible in both civil and criminal proceedings [12]Verified eCFR: 29 CFR Part 801 — Application of EPPA
Confirms EPPA regulations including additional supporting evidence definitions and disclosure restrictions.

This means that if you admitted to stealing during a post-test interview, that admission can be used against you in court even though the polygraph charts showing "deception indicated" cannot. Research by Deborah Davis, Treavor Weaver, and Richard A. Leo (2007) examined the psychological impact of failed polygraph results on confession behavior [30]Verified Courtroom Status of the Polygraph
Confirms polygraph-induced confessions are admissible when voluntarily made and provides case citations for admissibility, demonstrating how the stress of a deceptive finding can influence subsequent statements — making it essential to remain composed and consult an attorney before making any admissions.

Under EPPA regulations, employment decisions based on statements made during the polygraph process may serve as a basis for adverse action against the employee [12]Verified eCFR: 29 CFR Part 801 — Application of EPPA
Confirms EPPA regulations including additional supporting evidence definitions and disclosure restrictions. Polygraph-induced confessions have been found admissible in courts when voluntarily made [31]Verified Polygraph FAQ — APA
Confirms APA position that inconclusive results are not held against examinees and second examinations are usually conducted. This underscores why having legal representation before, during, and after the examination is so important.

Requesting Your Full Examination Report

Under EPPA, you have the legal right to receive a copy of the complete examination report [21]Verified APA EPPA Checklist — 48-Hour Notice and Examiner Requirements
Confirms 48-hour advance notice requirement, $50,000 liability coverage, maximum 5 tests per day, and minimum 90-minute duration. This includes the questions asked during the test, the polygraph charts (the physiological recordings), and the examiner's written conclusions. Request this report in writing immediately after receiving your results.

Reviewing the full report — ideally with an attorney or an independent polygraph expert — can reveal procedural violations, scoring errors, or question design flaws that may have affected your results. If the employer or examiner refuses to provide the report, this is itself an EPPA violation that can form the basis of a complaint.

Filing an EPPA Complaint

If you believe any EPPA procedures were violated during your theft polygraph, you can file a complaint with the Wage and Hour Division of the U.S. Department of Labor [15]Verified Employment Law Guide — Lie Detector Tests
Confirms 3-year record retention requirement, DOL enforcement role, and employee right to file complaints and civil lawsuits. The Department has authority to investigate complaints, assess civil penalties, and take enforcement action against violating employers.

You also have the right to file a private civil lawsuit against the employer within three years of the violation [15]Verified Employment Law Guide — Lie Detector Tests
Confirms 3-year record retention requirement, DOL enforcement role, and employee right to file complaints and civil lawsuits. Remedies can include reinstatement, back pay, benefits, and attorneys' fees. Consulting with an employment attorney who is familiar with EPPA is essential for evaluating whether your examination was properly conducted.

How to Pursue an Independent Retest

While EPPA does not expressly guarantee a right to a retest, nothing prevents you from seeking an independent polygraph examination from a different qualified examiner [32]Verified Test of a Mock Theft Scenario for Use in the Psychophysiological Detection of Deception: II
Foundational research validating mock theft scenarios in polygraph testing. The APA's position is that inconclusive results are not held against examinees, and second examinations are usually conducted when the first produces an inconclusive outcome [32]Verified Test of a Mock Theft Scenario for Use in the Psychophysiological Detection of Deception: II
Foundational research validating mock theft scenarios in polygraph testing.

An independent retest using validated techniques may produce a different outcome, particularly if the original examination was affected by anxiety, environmental factors, poor question design, or examiner error. When selecting an examiner for a retest, choose one who is trained to APA standards, uses validated testing methods meeting the APA's minimum accuracy requirements, and has specific experience with single-issue theft examinations.

For theft-specific investigations, single-issue polygraph formats consistently outperform multi-issue formats. Research confirms that asking only one relevant question produces the highest level of accuracy achievable [5]Verified About Polygraph | Lie Detector Accuracy
Confirms APA requires 90% accuracy for validated specific-issue techniques, field examination accuracy of 98%, and overall average of 88%, and adding even one additional question doubles the error rate [5]Verified About Polygraph | Lie Detector Accuracy
Confirms APA requires 90% accuracy for validated specific-issue techniques, field examination accuracy of 98%, and overall average of 88%. Ensure your independent retest uses a single-issue format focused exclusively on the theft allegation.

Ready to schedule a professional retest? Learn how to book a theft investigation polygraph test and find a location near you.

The Legal Weight of Polygraph-Related Statements

Admissions and confessions made before, during, or after a polygraph examination carry significant legal weight — often more than the test results themselves. Under EPPA regulations, statements made during the polygraph process qualify as additional supporting evidence that employers can use to justify adverse employment actions [12]Verified eCFR: 29 CFR Part 801 — Application of EPPA
Confirms EPPA regulations including additional supporting evidence definitions and disclosure restrictions.

In criminal proceedings, polygraph-induced confessions are generally admissible so long as they were made voluntarily [31]Verified Polygraph FAQ — APA
Confirms APA position that inconclusive results are not held against examinees and second examinations are usually conducted. This means your statements can be used against you even though the polygraph results may be inadmissible. Courts consistently treat voluntary confessions as powerful evidence regardless of the circumstances that prompted them.

The post-test interview phase is when most admissions occur. Examinees often feel pressure to explain reactions after being told the test showed deception. This is precisely why staying calm and exercising your right to remain silent or to consult with an attorney is critical. You are not required to provide explanations or make admissions during the post-test interview. If you feel uncomfortable, you may terminate the examination at any time under EPPA [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required.

To prepare effectively for any polygraph examination, read our comprehensive guide on how to prepare for your polygraph test.

EPPA Compliance Checklist for Employers

Employers investigating workplace theft through polygraph testing must rigorously follow EPPA procedures to protect both the investigation's integrity and the company from liability. Here is a compliance framework:

1. Document the specific economic loss or injury to your business before requesting any employee undergo testing. 2. Identify employees who had access to the property under investigation and establish reasonable suspicion for each individual to be tested. 3. Prepare the required written statement on company letterhead identifying the specific incident, the employee's access, and the basis for reasonable suspicion. This must be signed by an authorized company representative — not the polygraph examiner [20]Verified EPPA Written Notice Requirements (29 USC §2006(d)(4))
Confirms the written statement must include specific incident details, access description, and reasonable suspicion basis, signed by authorized representative and retained 3 years. 4. Provide the statement to the employee at least 48 hours before the scheduled test, excluding weekends and holidays [21]Verified APA EPPA Checklist — 48-Hour Notice and Examiner Requirements
Confirms 48-hour advance notice requirement, $50,000 liability coverage, maximum 5 tests per day, and minimum 90-minute duration. 5. Verify the examiner carries at least $50,000 in professional liability coverage [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required, holds appropriate state licensure, and uses APA-validated testing techniques. 6. Allow the employee to consult with legal counsel or a representative before each phase of the examination [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required. 7. After the test, conduct a post-test interview before taking any adverse employment action [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required. 8. Do not terminate or discipline the employee based solely on the polygraph result — gather and document additional supporting evidence [11]Verified 29 USC §2007 — Restrictions on Use of Exemptions
Confirms EPPA Section 2007(a)(1) additional supporting evidence requirement for adverse employment action. 9. Retain all examination records for a minimum of three years [20]Verified EPPA Written Notice Requirements (29 USC §2006(d)(4))
Confirms the written statement must include specific incident details, access description, and reasonable suspicion basis, signed by authorized representative and retained 3 years. 10. Keep results strictly confidential and disclose only to authorized parties [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required.

For specialized industry guidance, see our resources on jewelry store theft polygraph and theft ring investigations.

Using Results as Part of a Broader Investigation

The most effective approach is to treat the polygraph as one component of a thorough internal investigation — not as the sole determinant of guilt or innocence. Combine polygraph findings with physical evidence, surveillance footage, inventory audits, financial records, and witness interviews.

Research on mock theft scenarios, including the foundational work by Eben M. Ingram (1997), has validated the effectiveness of polygraph testing in theft-specific contexts [33]Verified To act truthfully: Nonverbal behaviour and strategies during a police interrogation
Confirms no differences in nonverbal behaviors distinguished liars from truth tellers during high-stakes police interrogations. When administered by qualified examiners using validated techniques, theft polygraphs provide valuable investigative intelligence that can guide decision-making without exposing the employer to EPPA liability.

For employers exploring technology-assisted alternatives, our guide on EyeDetect for theft investigations explains how newer credibility assessment tools can complement traditional polygraph examinations.

Understanding Error Rates

Even the most accurate diagnostic tools produce some false results, and the polygraph is no exception. With a single-issue accuracy rate of 89% [4]Verified Meta-Analytic Survey of Criterion Accuracy of Validated Polygraph Techniques
Confirms aggregated decision accuracy of.890 for single-issue tests and.850 for multi-issue tests, approximately 11% of results may be either false positives (truthful people incorrectly classified as deceptive) or false negatives (deceptive people incorrectly classified as truthful), or may fall into the inconclusive category.

Several factors can contribute to false positive results. Anxiety about the testing situation itself — separate from any deception — can elevate physiological responses and mimic the patterns associated with lying [6]Verified The Polygraph and Lie Detection (Executive Summary)
Confirms NRC 2003 finding that specific-incident polygraph tests can discriminate lying from truth telling at rates well above chance. Medical conditions, medications, fatigue, and environmental factors such as room temperature or noise can also affect readings. Poor question design or improper test administration by the examiner may introduce additional error.

Research has confirmed that behavioral observation alone cannot reliably distinguish truthful from deceptive individuals. A study by Strömwall, Hartwig, and Granhag (2006) found no differences in nonverbal behaviors between liars and truth tellers during high-stakes police interrogations [34]Verified Polygraph — Wikipedia
Confirms NRC 2003 conclusion that specific-incident tests discriminate at rates above chance though below perfection, underscoring the value of physiological measurement over subjective judgment. Understanding how examiner perceptions may be influenced is explored further in our article on pathological liars and polygraph tests.

What to Do If You Believe You Were Falsely Classified

If you are truthful and received a deceptive result, take the following steps:

1. Request your complete examination report immediately, as is your right under EPPA. 2. Have the report reviewed by an independent polygraph expert or an attorney experienced in polygraph cases. 3. Consider requesting an independent retest with a different qualified examiner using a single-issue format. 4. Document any factors that may have affected your results: medications, medical conditions, sleep deprivation, or environmental concerns about the testing room. 5. If EPPA procedures were violated, file a complaint with the Department of Labor's Wage and Hour Division. 6. If terminated, consult an employment attorney about potential EPPA violations, wrongful termination claims, or other legal remedies.

For Employees Who Received a Deceptive Result

1. Stay calm and do not make impulsive admissions during the post-test interview. Remember that statements made during this phase are generally admissible in court and qualify as additional supporting evidence under EPPA [12]Verified eCFR: 29 CFR Part 801 — Application of EPPA
Confirms EPPA regulations including additional supporting evidence definitions and disclosure restrictions.

2. Request your complete examination report. Under EPPA, you are entitled to receive the questions asked, the polygraph charts, and the examiner's conclusions [21]Verified APA EPPA Checklist — 48-Hour Notice and Examiner Requirements
Confirms 48-hour advance notice requirement, $50,000 liability coverage, maximum 5 tests per day, and minimum 90-minute duration.

3. Consult an employment attorney who is familiar with EPPA. If you believe procedures were violated — such as failure to provide 48-hour written notice, improper questions, or lack of examiner licensure — you may have grounds for a complaint or lawsuit.

4. Consider requesting an independent retest from a different examiner trained to APA standards experienced in single-issue theft examinations.

5. Document everything: the written notice you received, the examiner's credentials, any statements made by your employer, and the complete timeline of events.

6. If criminal charges are a concern, secure a criminal defense attorney before speaking with law enforcement. Exercise your Fifth Amendment right to remain silent.

For Employers Acting on Deceptive Results

1. Do not terminate or discipline the employee based solely on the polygraph result. EPPA requires additional supporting evidence [11]Verified 29 USC §2007 — Restrictions on Use of Exemptions
Confirms EPPA Section 2007(a)(1) additional supporting evidence requirement for adverse employment action.

2. Conduct the required post-test interview and document findings thoroughly.

3. Gather independent evidence to corroborate or supplement the polygraph findings before taking adverse action.

4. Verify that all EPPA procedures were properly followed, including the 48-hour written notice, examiner qualifications, and confidentiality requirements.

5. Consult with your corporate attorney to ensure that any employment action is legally defensible.

6. Retain all records related to the investigation and examination for at least three years [20]Verified EPPA Written Notice Requirements (29 USC §2006(d)(4))
Confirms the written statement must include specific incident details, access description, and reasonable suspicion basis, signed by authorized representative and retained 3 years.

7. Consider whether a referral to law enforcement is appropriate, keeping in mind that you may only disclose admissions of criminal conduct to government agencies [22]Verified EPPA Examiner Qualifications (29 USC §2007(c))
Confirms examiner must maintain $50,000 bond or equivalent professional liability coverage and be licensed where required.

For warehouse and logistics operations dealing with systematic theft, our guide on warehouse theft investigation provides industry-specific strategies.