Lie Detector Test Near Me: Cost, Locations & Guide

Average Polygraph Test Prices in 2026

The average polygraph test cost in the United States ranges from $400 to $1,200, with a national average of approximately $800 for a single-issue examination [1]Verified How Much Does a Lie Detector Test Cost? (2026 Prices)
Confirms average polygraph test costs of $400–$1,200 with national average around $800, pricing factors including location and experience[2]Verified Average Polygraph and Lie Detector Test Cost
Confirms national average around $800 for single-issue exam and $500–$1,200+ range for private tests. These tests focus on one specific topic — such as infidelity, theft, or a specific allegation — and represent the best value for most individuals seeking the truth. A single-issue format produces the most reliable results because the examiner can concentrate all relevant questions on one clearly defined topic [3]Verified 6 Key Factors That Affect Polygraph Test Costs Now
Confirms single-issue test cost range of $500–$900 and details key pricing factors.

For a more detailed breakdown of our testing fees, visit our polygraph test prices page.

Pre-employment polygraph screening tests used by law enforcement and security-sensitive industries typically cost $400 to $500 per candidate [4]Verified How Much Does a Lie Detector Test Cost? (Sapphire Check)
Confirms pre-employment polygraph screening costs $350–$500 for law enforcement and security. These are more standardized in scope and length, which helps keep costs lower. At the federal level, U.S. Customs and Border Protection has spent approximately $2,200 per exam during its hiring process [5]Verified CBP Administered Polygraphs to Applicants — Government Executive
Confirms CBP spent approximately $2,200 per exam and $5.1 million on candidates with pre-test disqualifying admissions, reflecting the premium that agencies pay for professional-grade screening under mandated protocols.

Add-on services such as detailed written reports, court testimony preparation, or video and audio recording of the session will increase costs. Whenever possible, choosing a single-issue format provides the highest accuracy and the best return on your investment.

Key Factors That Affect Pricing

Several factors influence the final cost of your polygraph examination. Location plays a significant role — major metropolitan areas like New York or Los Angeles tend to have higher prices, sometimes up to 25% more than smaller cities or rural areas [1]Verified How Much Does a Lie Detector Test Cost? (2026 Prices)
Confirms average polygraph test costs of $400–$1,200 with national average around $800, pricing factors including location and experience. However, competition among examiners in larger cities can also moderate prices.

Examiner qualifications and experience are perhaps the most important pricing factor. An examiner who graduated from an APA-accredited school, maintains active APA membership, and has years of field experience will charge more — but this investment directly supports the reliability and credibility of your results [6]Verified Polygraph Test Cost: Expert Guide to Avoid Getting Ripped Off
Confirms standard test costs of $400–$1,200 and importance of APA certification verification. The APA does not set examiner fees; all polygraph costs are at the examiner's discretion [7]Verified How Much Do Polygraph Tests Cost? Avoid Cheap Scams
Confirms APA does not set examiner fees and warns against choosing examiners based on cost alone.

Test complexity also matters. A straightforward single-issue exam costs less than a multi-faceted case requiring extensive background review and multiple question sets [3]Verified 6 Key Factors That Affect Polygraph Test Costs Now
Confirms single-issue test cost range of $500–$900 and details key pricing factors. If the examiner must travel to your location rather than testing at their professional office, expect travel fees and mileage to be added to the final bill.

Red Flags: Avoiding Scams and Low-Quality Examiners

Experts strongly warn against choosing a polygraph examiner based solely on cost [7]Verified How Much Do Polygraph Tests Cost? Avoid Cheap Scams
Confirms APA does not set examiner fees and warns against choosing examiners based on cost alone. Examiners charging significantly below $300 may lack proper APA-accredited training, use outdated equipment, or skip essential steps in the testing process [8]Verified Polygraph Test Cost: Expert Guide (Axeligence)
Confirms examiners charging under $300 typically indicate inadequate training or fraudulent operators. These shortcuts can lead to inaccurate results with serious consequences, particularly if findings are used in legal proceedings.

Before booking, always verify that the examiner is a member of the American Polygraph Association using the APA's searchable membership database [9]Verified American Polygraph Association — Home
Confirms APA established in 1966 with 2,700+ members promoting evidence-based credibility assessment standards. Confirm their graduation from an APA-accredited school and check for state licensure where applicable. LieDetectorTest.com vets every examiner in our network to meet these professional standards, so you can book with confidence.

LieDetectorTest.com: 140+ Locations Across 23 States

LieDetectorTest.com offers professional polygraph testing at 140+ locations across 23 states. Every examiner in our network is trained to APA standards and follows validated testing protocols. Our top coverage areas include New York (24 locations), California (20), Florida (19), New Jersey (18), Colorado (13), Connecticut (8), Georgia (7), Nevada (6), North Carolina (5), South Carolina (5), and Pennsylvania (5).

We also serve Missouri (4), Virginia (3), Louisiana (3), Michigan (2), Maryland (2), Delaware (1), Arizona (1), Minnesota (1), Utah (1), Indiana (1), Tennessee (1), and Texas (1). Whether you need a polygraph test in Nevada, Louisiana, Arizona, Pennsylvania, or Missouri, we have professional examiners ready to help.

Visit our polygraph test locations page to find the nearest testing center to you, or book a test directly.

Verifying Examiner Credentials

Choosing a qualified examiner is the single most important step in the process. The American Polygraph Association, established in 1966, is the world's leading professional organization for credibility assessment and represents more than 2,800 experienced polygraph examiners in private business, law enforcement, and government [9]Verified American Polygraph Association — Home
Confirms APA established in 1966 with 2,700+ members promoting evidence-based credibility assessment standards[10]Verified About the APA — American Polygraph Association
Confirms APA represents more than 2,800 examiners and accuracy rates exceeding 90% through strict training standards. Through strict adherence to training and education standards, APA examiners are able to attain accuracy rates exceeding 90% [10]Verified About the APA — American Polygraph Association
Confirms APA represents more than 2,800 examiners and accuracy rates exceeding 90% through strict training standards.

Key qualifications to verify include graduation from an APA-accredited school, current APA membership, use of validated testing formats approved by the APA, and completion of continuing education requirements [9]Verified American Polygraph Association — Home
Confirms APA established in 1966 with 2,700+ members promoting evidence-based credibility assessment standards[10]Verified About the APA — American Polygraph Association
Confirms APA represents more than 2,800 examiners and accuracy rates exceeding 90% through strict training standards. APA members must maintain continuing education in order to retain membership [10]Verified About the APA — American Polygraph Association
Confirms APA represents more than 2,800 examiners and accuracy rates exceeding 90% through strict training standards. Many states also require polygraph examiners to hold a state-specific license, so confirm licensing requirements in your jurisdiction.

The Three-Phase Testing Process

A typical polygraph examination will include three main phases: a pre-test interview, a chart collection phase, and a test data analysis phase [11]Verified Polygraph Frequently Asked Questions — APA
Confirms three-phase testing process, sensor types, and physiological measurement details. The entire process generally takes 1 to 3 hours, with some complex exams extending beyond 3 hours [12]Verified How Much Does a Lie Detector Test Cost? (Lawful.com)
Confirms exam duration ranges from 60 to 120+ minutes depending on type, and full process takes 2–3 hours. Employment screening polygraph tests typically take 60 to 90 minutes, while specific-issue tests commonly take 90 to 120 minutes [12]Verified How Much Does a Lie Detector Test Cost? (Lawful.com)
Confirms exam duration ranges from 60 to 120+ minutes depending on type, and full process takes 2–3 hours.

During the pre-test interview, the examiner completes required paperwork, discusses the test with you, answers any questions, reviews the test questions, and familiarizes you with the testing procedure [11]Verified Polygraph Frequently Asked Questions — APA
Confirms three-phase testing process, sensor types, and physiological measurement details. This phase is the most detailed and time-consuming portion of the exam and is critical for establishing the conditions for an accurate test.

During chart collection, the examiner administers and collects polygraph charts while asking the agreed-upon questions. The number of question sets and charts varies depending on the issues being tested and the technique employed [11]Verified Polygraph Frequently Asked Questions — APA
Confirms three-phase testing process, sensor types, and physiological measurement details. Following chart collection, the examiner analyzes the data, scores the charts, and renders an opinion as to truthfulness [11]Verified Polygraph Frequently Asked Questions — APA
Confirms three-phase testing process, sensor types, and physiological measurement details.

What the Polygraph Measures

A polygraph records several physiological indicators simultaneously — the word "polygraph" literally means "many writings" [11]Verified Polygraph Frequently Asked Questions — APA
Confirms three-phase testing process, sensor types, and physiological measurement details. The instrument measures blood pressure, pulse, respiration, and skin conductivity while a person answers a series of questions [13]Verified Polygraph — Wikipedia
Confirms polygraph measures blood pressure, pulse, respiration, and skin conductivity.

Specifically, corrugated rubber tubes or electronic sensors placed over the chest and abdominal area record respiratory activity [11]Verified Polygraph Frequently Asked Questions — APA
Confirms three-phase testing process, sensor types, and physiological measurement details. Two small metal plates or disposable adhesive electrodes attached to the fingers record sweat gland activity (electrodermal response). A blood pressure cuff or similar device records cardiovascular activity [11]Verified Polygraph Frequently Asked Questions — APA
Confirms three-phase testing process, sensor types, and physiological measurement details. Many modern instruments also include a finger plethysmograph to monitor blood volume changes and motion sensors to detect movement that might interfere with test data [11]Verified Polygraph Frequently Asked Questions — APA
Confirms three-phase testing process, sensor types, and physiological measurement details.

The underlying principle is that deceptive answers produce involuntary physiological responses that can be detected and differentiated from those associated with truthful answers. Research using functional near-infrared spectroscopy (fNIRS) has confirmed significant hemodynamic responses in the prefrontal cortex during deception [14]Verified Functional Near Infrared Spectroscopy to investigate hemodynamic responses to deception in the prefrontal cortex
Confirms significant hemodynamic responses in prefrontal cortex during deception and fNIRS differentiating deceptive from truthful responses, and combined physiological and neuroimaging measures have achieved detection accuracy with an area under the ROC curve of 0.94 [15]Verified Detecting concealed information using fNIRS combined with skin conductance, heart rate, and behavioral measures
Confirms combined fNIRS and physiological measures achieved ROC area of 0.94 for concealed information detection.

How to Prepare for Your Polygraph Exam

Proper preparation helps ensure accurate results. Get adequate rest the night before — aim for 6 to 8 hours of uninterrupted sleep [16]Verified What to Expect on the Day of Your Polygraph Test
Confirms preparation guidelines including sleep, food, medication, ID, and emotional expectations. Eat a normal meal so you are comfortable during the exam. Take your prescribed medications as directed by your physician [17]Verified APA FAQ Sheet — Preparation Guidelines
Confirms preparation advice including continuing normal activities, prescribed medications, and avoiding excessive stimulants. Bring a valid photo ID and arrive on time.

Do not consume alcohol or recreational drugs before the exam. Avoid excessive caffeine or unnecessary over-the-counter medications, as they may cause the session to run longer than normal [17]Verified APA FAQ Sheet — Preparation Guidelines
Confirms preparation advice including continuing normal activities, prescribed medications, and avoiding excessive stimulants. Most importantly, do not attempt to research countermeasures or methods to manipulate the test. The TSA and other agencies advise against seeking internet countermeasure information, as such attempts can be detrimental to outcomes and may cause truthful people to produce problematic results [18]Verified Your Polygraph Examination — TSA
Confirms TSA advises against seeking internet countermeasure information and that such attempts can be detrimental to outcomes.

Learn more preparation tips in our guide on 10 ways honest individuals can pass a polygraph test.

Nervousness is completely normal and expected. Professional examiners account for nervousness in their analysis — the polygraph measures significant changes from your personal baseline, not overall anxiety levels [19]Verified APA FAQ Sheet — Nervousness and Physiological Baselines
Confirms nervousness is expected and accounted for; polygraph measures changes from baseline, not overall anxiety. Having a higher baseline blood pressure does not cause a person to fail [19]Verified APA FAQ Sheet — Nervousness and Physiological Baselines
Confirms nervousness is expected and accounted for; polygraph measures changes from baseline, not overall anxiety. The single best preparation is a commitment to honesty.

The APA Meta-Analysis: 89% Accuracy

The most comprehensive review of polygraph accuracy is the APA's meta-analytic survey of validated polygraph techniques. The executive summary reports that 38 studies satisfied the qualitative and quantitative requirements for inclusion [20]Verified Polygraph Validity Research — APA Meta-Analysis
Confirms 38 studies, 3,723 examinations, 89% accuracy for single-issue tests, 85% for multi-issue. These studies involved 32 different samples and described the results of 45 different experiments and surveys, including 3,723 examinations scored by 295 scorers [20]Verified Polygraph Validity Research — APA Meta-Analysis
Confirms 38 studies, 3,723 examinations, 89% accuracy for single-issue tests, 85% for multi-issue.

The data showed that 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 estimated inconclusive rate of 11% [20]Verified Polygraph Validity Research — APA Meta-Analysis
Confirms 38 studies, 3,723 examinations, 89% accuracy for single-issue tests, 85% for multi-issue. Multiple-issue techniques produced an aggregated decision accuracy of 85% [20]Verified Polygraph Validity Research — APA Meta-Analysis
Confirms 38 studies, 3,723 examinations, 89% accuracy for single-issue tests, 85% for multi-issue. The APA states that through strict adherence to training and education standards, examiners are able to attain accuracy rates exceeding 90% [10]Verified About the APA — American Polygraph Association
Confirms APA represents more than 2,800 examiners and accuracy rates exceeding 90% through strict training standards.

For additional context, our Polygraph Research Database contains dozens of peer-reviewed studies relevant to polygraph accuracy and deception detection.

The Neuroscience of Deception

Modern research continues to validate the physiological basis for deception detection. A 2022 study by Wang et al. found that combining fNIRS brain imaging with skin conductance, heart rate, and reaction time measures achieved a detection accuracy with an area under the ROC curve of 0.94, compared to individual measures ranging from 0.74 to 0.89 [15]Verified Detecting concealed information using fNIRS combined with skin conductance, heart rate, and behavioral measures
Confirms combined fNIRS and physiological measures achieved ROC area of 0.94 for concealed information detection. Earlier work by Sai et al. (2014) demonstrated that fNIRS-based classification achieved approximately 75% accuracy for distinguishing guilty from innocent participants, improving to 83.3% when combined with reaction time measures [21]Verified Detecting concealed information using functional near-infrared spectroscopy
Confirms fNIRS-based classification achieved approximately 75% accuracy, improving to 83.3% with reaction time measures.

Research by Tian et al. (2009) confirmed significant hemodynamic responses in the prefrontal cortex during deception, with fNIRS successfully differentiating deceptive from truthful responses at the individual level [14]Verified Functional Near Infrared Spectroscopy to investigate hemodynamic responses to deception in the prefrontal cortex
Confirms significant hemodynamic responses in prefrontal cortex during deception and fNIRS differentiating deceptive from truthful responses. The neuroscience underlying deception consistently shows activation of the prefrontal and anterior cingulate cortices, while truthfulness represents the cognitive baseline [22]Verified Looking for truth and finding lies: The prospects for a nascent neuroimaging of deception
Confirms deception consistently activates prefrontal and anterior cingulate cortices while truthfulness represents cognitive baseline.

Structural brain research has also revealed fascinating differences. Yang et al. (2007) found that pathological liars showed a 22–26% increase in white matter in the orbitofrontal cortex and a 32–36% increase in the inferior frontal cortex compared to both antisocial and normal controls [23]Verified Localisation of increased prefrontal white matter in pathological liars
Confirms pathological liars showed 22–26% white matter increases in orbitofrontal cortex and 32–36% in inferior frontal cortex. This research underscores that deception involves measurable, detectable neural processes — the very processes that polygraph testing is designed to capture.

Practice does not easily overcome physiological detection methods. Van Bockstaele et al. (2012) found that frequent liars showed a reduced but still detectable lie-effect during practice, and critically, training effects did not generalize to unpracticed items [24]Verified Learning to lie: Effects of practice on the cognitive cost of lying
Confirms frequent liars showed reduced but detectable lie-effect and training effects did not generalize to unpracticed items. This finding supports the robustness of properly conducted polygraph examinations.

Why Countermeasures Don't Work

Some individuals attempt to use physical or mental countermeasures to defeat the polygraph. However, experienced examiners are specifically trained to detect these attempts. Research has documented confirmed countermeasure cases where examiners successfully identified covert attempts to manipulate testing outcomes [25]Verified Confirmed Mental Countermeasure Case in Costa Rica
Confirms mental countermeasures were successfully identified and confirmed through examination procedures. Modern polygraph instruments include motion sensors and advanced analysis algorithms that flag suspicious patterns.

Attempting countermeasures is counterproductive — these efforts often produce erratic physiological data that experienced examiners recognize immediately, and they can actually cause truthful people to produce problematic results [18]Verified Your Polygraph Examination — TSA
Confirms TSA advises against seeking internet countermeasure information and that such attempts can be detrimental to outcomes. Advanced statistical methods, including Bayesian approaches that separate true discriminability from response bias, further strengthen modern polygraph analysis [26]Verified Bayesian Generalized Linear Mixed Effects Models for Deception Detection Analyses
Confirms advanced statistical methods separate true discriminability from response bias and strengthen polygraph analysis.

Relationship and Infidelity Testing

Relationship polygraph testing is the most common reason individuals seek a private lie detector test. When trust has been broken — whether through suspected infidelity, financial dishonesty, or hidden behavior — a professionally administered polygraph provides objective, evidence-based answers that help couples decide how to move forward.

Relationship tests focus on clear, time-bounded, behavior-based questions such as whether the subject has had sexual contact with anyone outside the relationship during a specific period. The process is conducted in a therapeutic, non-condemning manner, and many therapists and marriage counselors recommend polygraph testing as a bridge for healing and rebuilding trust.

If your partner wants you to take a lie detector test, it can actually be an opportunity to demonstrate honesty and commitment. In situations involving gaslighting, polygraph testing can reveal the truth and empower the individual being manipulated.

Criminal Defense and Legal Cases

Attorneys frequently use polygraph testing as part of criminal defense strategy. While results are not always admissible in court, favorable polygraph outcomes can be powerful tools during plea negotiations, pre-trial discussions, and case evaluation. Defense attorneys may use a private polygraph to assess their client's truthfulness before trial or to create leverage in negotiations with prosecutors.

For attorneys considering polygraph as part of their strategy, understanding the differences between private and court-ordered polygraph testing is essential.

Workplace Theft and Business Investigations

Under EPPA exemptions, employers in certain industries can use polygraph testing to investigate workplace theft, embezzlement, and fraud. The test must be administered in connection with an ongoing investigation involving economic loss, and the employee must have had access to the property under investigation [27]Verified Employee Polygraph Protection Act of 1988 — 29 CFR § 801.1
Confirms EPPA prohibits most private employers from using lie detector tests, with government exemptions[28]Verified Employee Polygraph Protection Act — Wikipedia
Confirms EPPA permits testing for security service firms and pharmaceutical companies; government agencies are exempt.

Polygraph testing is a valuable tool for resolving internal theft cases in industries including construction, restaurants and hospitality, warehouse and logistics, banking and finance, healthcare, and transportation. Even Wall Street firms use polygraph testing for internal fraud investigations.

Pre-Employment Screening for Government and Law Enforcement

Federal, state, and local government agencies are exempt from EPPA restrictions and regularly use polygraph testing for pre-employment screening [27]Verified Employee Polygraph Protection Act of 1988 — 29 CFR § 801.1
Confirms EPPA prohibits most private employers from using lie detector tests, with government exemptions[28]Verified Employee Polygraph Protection Act — Wikipedia
Confirms EPPA permits testing for security service firms and pharmaceutical companies; government agencies are exempt. Congress mandated polygraph testing for most CBP law enforcement positions under the Anti-Border Corruption Act of 2010 [29]Verified Anti-Border Corruption Act of 2010 — CBP Polygraph Mandate
Confirms Congress mandated polygraph testing for CBP law enforcement applicants under the Anti-Border Corruption Act of 2010. Agencies including the FBI, CIA, NSA, Secret Service, and DEA all require polygraph examinations as part of their hiring process.

Police agencies across the country use polygraph testing to screen applicants for law enforcement positions. These exams typically last 90 to 120 minutes, with most of the time devoted to the pre-test interview covering employment history, driving record, drug use, and criminal history [12]Verified How Much Does a Lie Detector Test Cost? (Lawful.com)
Confirms exam duration ranges from 60 to 120+ minutes depending on type, and full process takes 2–3 hours. Interested in a career administering these tests? Learn how to become a polygraph examiner or explore polygraph examiner salaries.

State-by-State Admissibility Overview

The U.S. Supreme Court leaves the question of polygraph evidence admissibility to individual states [30]Verified Are Lie Detector Tests Admissible in Court?
Confirms U.S. Supreme Court leaves polygraph admissibility to individual states. As of today, approximately 23 states consider polygraph tests admissible in court, though the majority of those states require the approval of both parties (stipulation) before results can be submitted [31]Verified Admissibility of Polygraph Tests in Court — LegalMatch
Confirms 23 states consider polygraph tests admissible with most requiring both-party approval. New Mexico is unique in that it permits the introduction of polygraph results into evidence without a stipulation by the parties, under strict evidentiary rules [32]Verified Legal Admissibility of Polygraph Test Results
Confirms 19 states admit PV results under stipulation and New Mexico permits without stipulation[33]Verified EvidenceProf Blog: Polygraph Results Inadmissible Absent Stipulation
Confirms New Mexico is the only state where polygraph results are admissible without both-party stipulation.

In every state except New Mexico, polygraph results are generally inadmissible absent a stipulation by the parties [33]Verified EvidenceProf Blog: Polygraph Results Inadmissible Absent Stipulation
Confirms New Mexico is the only state where polygraph results are admissible without both-party stipulation. However, polygraph evidence plays valuable roles even outside of trial — it is frequently used in pre-trial settings such as evaluating bail conditions, sentencing hearings, probation proceedings, and plea negotiations where the formal rules of evidence are more relaxed.

The landmark case United States v. Scheffer (1998) upheld the military's ban on polygraph evidence but left room for state courts and lower federal courts to exercise discretion [34]Verified United States v. Scheffer — Supreme Court Decision
Confirms 1998 Supreme Court ruling upheld military polygraph ban but left room for state court discretion. As polygraph technology and validated techniques continue to advance, renewed legal challenges to blanket exclusion rules are emerging.

What EPPA Covers and Who Is Exempt

The Employee Polygraph Protection Act of 1988 (EPPA) generally prevents most private employers from using polygraph tests for pre-employment screening or during the course of employment [27]Verified Employee Polygraph Protection Act of 1988 — 29 CFR § 801.1
Confirms EPPA prohibits most private employers from using lie detector tests, with government exemptions[28]Verified Employee Polygraph Protection Act — Wikipedia
Confirms EPPA permits testing for security service firms and pharmaceutical companies; government agencies are exempt. However, several important exemptions exist.

Federal, state, and local government agencies are completely exempt from EPPA [27]Verified Employee Polygraph Protection Act of 1988 — 29 CFR § 801.1
Confirms EPPA prohibits most private employers from using lie detector tests, with government exemptions[28]Verified Employee Polygraph Protection Act — Wikipedia
Confirms EPPA permits testing for security service firms and pharmaceutical companies; government agencies are exempt. In the private sector, the law permits polygraph testing for applicants of security service firms (armored car, alarm, and guard companies) and of pharmaceutical manufacturers, distributors, and dispensers [28]Verified Employee Polygraph Protection Act — Wikipedia
Confirms EPPA permits testing for security service firms and pharmaceutical companies; government agencies are exempt[35]Verified Employee Polygraph Protection Act — DOL Poster
Confirms EPPA permits testing for security service firms and pharmaceutical companies. Employers may also request an employee to submit to a polygraph test in connection with an ongoing investigation involving economic loss or injury to the business, provided the employee had access to the property under investigation and the employer has reasonable suspicion of involvement [27]Verified Employee Polygraph Protection Act of 1988 — 29 CFR § 801.1
Confirms EPPA prohibits most private employers from using lie detector tests, with government exemptions.

EPPA violations carry penalties of up to $10,000 per violation [36]Verified Employee Polygraph Protection Act — APA
Confirms EPPA violations carry $10,000 penalty per violation and details employer compliance requirements. Employers considering polygraph testing should always consult with legal counsel to ensure full compliance with both federal and state laws.

The Examiner-Client Relationship

A professional polygraph examiner brings structured training, continuing education, and strict adherence to accepted protocols — all of which directly support the reliability of your results. APA examiners are highly qualified professionals motivated to help verify the truth while following the highest standards of ethical and professional conduct [10]Verified About the APA — American Polygraph Association
Confirms APA represents more than 2,800 examiners and accuracy rates exceeding 90% through strict training standards.

The examination is completely confidential. Disclosure of results is limited to those listed in an agreement signed by the examinee and the examiner prior to the examination [19]Verified APA FAQ Sheet — Nervousness and Physiological Baselines
Confirms nervousness is expected and accounted for; polygraph measures changes from baseline, not overall anxiety. The test is voluntary, and you can terminate it at any time.

When working with a private investigator on a case, the polygraph examiner provides an independent, objective assessment that complements the PI's investigative findings. This collaboration is especially powerful in cases involving workplace theft, insurance fraud, or family disputes where physical evidence may be limited.

Ready to take the next step? Contact us for a confidential consultation, or book your polygraph test today at one of our 140+ locations nationwide.