TSA Polygraph Exam: What Candidates Need to Know

TSA's Workforce and Polygraph Requirements

The Transportation Security Administration (TSA) is one of the largest agencies within the Department of Homeland Security (DHS). According to TSA's official fact sheet, TSA comprises nearly 65,000 employees including approximately 50,000 transportation security officers [1]Verified TSA at a Glance — Transportation Security Administration
Confirms TSA comprises nearly 65,000 employees including approximately 50,000 transportation security officers. While TSA is best known for its Transportation Security Officers (TSOs) who staff airport checkpoints, the agency's mission extends far beyond screening passengers and luggage. Within that broader mission, certain sensitive and law enforcement positions require candidates to pass a polygraph examination as part of the hiring process.

It is crucial to understand from the outset that not all TSA positions require a polygraph exam. The standard TSO role — the frontline screener position — does not include polygraph testing. Instead, TSO hiring involves a computer-based aptitude test, medical examination, background investigation, and drug screening. The polygraph requirement is reserved for positions that involve law enforcement authority, intelligence access, or investigative responsibilities.

Positions That Typically Require a TSA Polygraph

The following TSA positions generally require candidates to undergo polygraph testing:

Federal Air Marshal Service (FAMS): Air marshals are sworn federal law enforcement officers who operate on commercial aircraft. Due to the highly sensitive nature of this role and the law enforcement authority granted, FAMS candidates undergo a full-scope polygraph examination [2]Verified How To Become an Air Marshal in 4 Steps
Confirms FAMS candidates must pass a polygraph exam and top-secret security clearance requirements. This is the most common TSA position associated with polygraph testing. The Executive Assistant Administrator/Director for the Law Enforcement/Federal Air Marshal Service deploys federal air marshals on U.S. aircraft worldwide and conducts protection, response, detection, and assessment activities in airports and other transportation systems [1]Verified TSA at a Glance — Transportation Security Administration
Confirms TSA comprises nearly 65,000 employees including approximately 50,000 transportation security officers.

Office of Inspection (OOI): Investigators within TSA's internal oversight body may be required to pass polygraph testing, particularly for positions involving criminal investigations, misconduct inquiries, or access to classified information.

Intelligence and Analysis Division: Analysts and specialists working with classified intelligence within TSA's intelligence division may undergo counterintelligence-scope polygraph testing.

Senior Executive Service (SES) and Critical-Sensitive Positions: Certain high-level positions within TSA that involve access to Top Secret/Sensitive Compartmented Information (TS/SCI) may require polygraph testing.

If you are applying for a position that requires a polygraph, this requirement will be explicitly stated in the job announcement on USAJobs.gov or the specific TSA career portal. For a broader understanding of how pre-employment polygraph testing works across federal agencies, explore our complete guide to law enforcement polygraph questions.

Why TSA Requires Polygraph Testing

TSA was established by the Aviation and Transportation Security Act, passed by the 107th Congress and signed into law by President George W. Bush on November 19, 2001 [3]Verified TSA History — Transportation Security Administration
Confirms TSA was established by the Aviation and Transportation Security Act signed November 19, 2001. Originally placed within the Department of Transportation, TSA was transferred to the newly created Department of Homeland Security on March 1, 2003 [4]Verified Transportation Security Administration — Wikipedia
Confirms TSA became part of DHS in March 2003 and details on FAMS history and agency structure. TSA's primary mission is to protect the nation's transportation systems to ensure freedom of movement for people and commerce [3]Verified TSA History — Transportation Security Administration
Confirms TSA was established by the Aviation and Transportation Security Act signed November 19, 2001. This includes aviation security, surface transportation security (rail, highway, pipeline, and maritime), and critical infrastructure protection.

The agency operates under an ever-present threat environment, making the integrity and reliability of its workforce a paramount concern. For law enforcement positions like Federal Air Marshals, the stakes are extraordinarily high. Air marshals operate undercover on commercial flights, carry concealed firearms in the cabin, and are expected to respond to hijacking or terrorist incidents. The Federal Air Marshal Service has the highest firearms qualifications among all federal law enforcement officers [5]Verified How Do You Become a Federal Air Marshal?
Confirms federal air marshals have the highest firearms qualifications among all federal law enforcement officers. The agency cannot afford to place individuals with hidden vulnerabilities, undisclosed criminal histories, or susceptibility to foreign influence in these roles.

The polygraph examination serves as one layer of a multi-layered vetting process designed to verify candidates' suitability and integrity. As a component of DHS, TSA follows the department's personnel security standards, which align with federal suitability guidelines. The polygraph is a deliberate investigative tool authorized under federal law and DHS policy for positions where the consequences of hiring an unsuitable individual could be catastrophic. For insight into how other countries approach polygraph testing in government screening, our guide on polygraph testing in Ethiopia provides an interesting comparison.

Full-Scope (Lifestyle) Polygraph

Used primarily for FAMS and investigative positions, the full-scope polygraph covers national security questions (espionage, unauthorized disclosure, foreign contacts) AND personal history topics (criminal conduct, drug use, financial issues, honesty/integrity). This is the most comprehensive polygraph format and is standard for federal law enforcement positions. A full-scope polygraph is a combination of both the counterintelligence and lifestyle polygraphs [6]Verified Polygraphs Background Investigations — DC Security Clearance Consultants
Confirms full-scope polygraph combines counterintelligence and lifestyle polygraphs, NDI as desirable result, and polygraph recording in Scattered Castles.

Counterintelligence (CI) Scope Polygraph

Used for intelligence analyst and certain classified access positions, the CI-scope polygraph focuses specifically on counterintelligence topics: espionage, sabotage, terrorism support, unauthorized disclosure of classified information, and unreported foreign contacts. It does not probe personal lifestyle issues as thoroughly as the full-scope exam.

The full-scope polygraph is significantly more extensive than the CI-scope exam. For FAMS candidates, the full-scope format is the standard because air marshals carry firearms, exercise law enforcement authority, and must demonstrate complete integrity across all areas of their personal and professional lives.

Testing Protocols and Federal Standards

TSA examiners use validated questioning techniques developed under the oversight of the National Center for Credibility Assessment (NCCA), the federal entity responsible for credibility assessment education, oversight, certification, research, and development [7]Verified TES-C Pilot Successful, Implemented as CBP's Primary Testing Format
Confirms CBP's use of LEPET format, NCCA collaboration, and TES-C implementation as standard format in 2018. For national security questions, the Test for Espionage and Sabotage (TES) format is commonly employed. For law enforcement pre-employment screening, examiners use the Law Enforcement Pre-Employment Test (LEPET), a structured protocol documented by the NCCA and used by federal law enforcement agencies including the FBI, DEA, ATF, and U.S. Secret Service [8]Verified NCCA Law Enforcement Pre-Employment Test (LEPET)
Confirms LEPET is the NCCA-documented technique used by federal law enforcement agencies including FBI, DEA, ATF, and Secret Service[9]Verified Department of Defense Polygraph Institute — Law Enforcement Pre-Employment Test
Confirms LEPET structure, question format, and psychological set theory used in federal pre-employment polygraph testing.

All federal polygraph examiners must be certified by the NCCA [10]Verified DoDI 5210.91 — Polygraph and Credibility Assessment Procedures
Confirms federal polygraph examination requires consent, NCCA certification for examiners, and mandatory QC review, and all examinations undergo a quality control review to ensure compliance with federally mandated polygraph standards [7]Verified TES-C Pilot Successful, Implemented as CBP's Primary Testing Format
Confirms CBP's use of LEPET format, NCCA collaboration, and TES-C implementation as standard format in 2018. Research has demonstrated that scoring reliability improves significantly with validated protocols — for example, studies on question construction and repetition have shown that electrodermal detection efficiency achieves dramatic improvements with diverse question sets [11]Verified Effects of Questions' Repetition and Variation on the Efficiency of the Guilty Knowledge Test
Demonstrates electrodermal detection efficiency dramatically improves with question diversity in polygraph testing. These standardized, evidence-based approaches help ensure that TSA polygraph examinations meet the highest professional standards. Similar testing approaches are used across the DHS family, including CBP, which historically used the LEPET format before transitioning to the TES-C (Test for Espionage, Sabotage, and Corruption) in 2018 [7]Verified TES-C Pilot Successful, Implemented as CBP's Primary Testing Format
Confirms CBP's use of LEPET format, NCCA collaboration, and TES-C implementation as standard format in 2018. You can learn more about CBP's polygraph process in our CBP polygraph exam guide.

The TSA Hiring Process for Polygraph-Required Positions

The TSA hiring process for polygraph-required positions is lengthy and rigorous, often taking six months to over a year from initial application to final job offer. Understanding where the polygraph falls in this timeline helps you plan accordingly and manage expectations.

FAMS Age and Eligibility Requirements

For Federal Air Marshal positions, candidates must meet specific eligibility criteria. FAMS candidates must be at least 21 years of age at the time of application and younger than 37 upon receipt of a conditional offer of employment [12]Verified Special Agent Recruitment Information for Federal Air Marshals — U.S. Secret Service
Confirms FAMS age requirement of younger than 37 at conditional offer, with veterans' preference up to 40. This age requirement is tied to the mandatory retirement age of 57 for federal law enforcement officers, as 37 is the latest age at which an officer can complete 20 years of service for retirement [13]Verified Air Marshal Career, Salary and Training Info
Confirms mandatory retirement age of 57 for federal law enforcement and rationale for age 37 cutoff. Veterans with preference eligibility may qualify up to age 40 [12]Verified Special Agent Recruitment Information for Federal Air Marshals — U.S. Secret Service
Confirms FAMS age requirement of younger than 37 at conditional offer, with veterans' preference up to 40. Candidates must also be U.S. citizens and meet educational or experience prerequisites — TSA states that federal air marshals should have either three years of experience, a bachelor's degree, or an equivalent blend of the two [14]Verified What Training Does A Federal Air Marshal Need?
Confirms TSA states federal air marshals should have either three years of experience, a bachelor's degree, or equivalent blend.

The Pre-Test Phase

The pre-test interview is the longest and arguably most important phase of the TSA polygraph examination. It typically lasts between 45 and 90 minutes and serves multiple critical functions that directly influence the accuracy of the subsequent chart collection.

When you arrive at the testing facility, you will be greeted by your polygraph examiner — a credentialed federal polygraph examiner who has completed training at the NCCA (located at Fort Jackson, South Carolina) and holds certification from the Department of Homeland Security [15]Verified Summit Polygraph LLC — NCCA Training
Confirms NCCA is located at Fort Jackson, South Carolina and provides training to FBI, Secret Service, CIA and 25+ federal agencies. The examiner will verify your identity, confirm that you are there voluntarily, and begin building rapport.

Key Components of the Pre-Test

The pre-test phase includes several distinct components:

Informed consent: The examiner will explain the polygraph process, your rights, and the voluntary nature of the examination. You will sign a consent form acknowledging your understanding [10]Verified DoDI 5210.91 — Polygraph and Credibility Assessment Procedures
Confirms federal polygraph examination requires consent, NCCA certification for examiners, and mandatory QC review. A signed consent form explaining the purpose and uses of any information disclosed must be obtained from the examinee prior to each polygraph session [16]Verified Security Executive Agent Directive 2 (SEAD 2) — Revised
Confirms polygraph results recorded in Scattered Castles/JPAS/CVS, consent requirements, and adverse consequences for countermeasure use. While the polygraph is voluntary in the sense that no one can physically force you to take it, declining the exam will result in your application being discontinued. For more information about your options, see our guide on refusing a lie detector test.

Background review: The examiner will systematically review the information you provided on your Standard Form 86 (SF-86) security questionnaire. This covers your personal history, residence history, employment history, education, foreign contacts, drug use, criminal conduct, and financial history.

Question development: Based on the review, the examiner will develop the specific questions that will be asked during the in-chart phase. You will know every question before the instrument is attached — there are no surprise questions during the actual test [9]Verified Department of Defense Polygraph Institute — Law Enforcement Pre-Employment Test
Confirms LEPET structure, question format, and psychological set theory used in federal pre-employment polygraph testing.

Instrument explanation: The examiner will explain how the polygraph instrument works, what physiological responses are measured, and what the sensors will feel like.

A critical aspect of the pre-test is providing you with the opportunity to make disclosures. If there are things in your past that you have not reported — minor drug use, a forgotten arrest, a financial issue — the pre-test is your chance to come clean. Examiners consistently report that the most common reason candidates fail polygraph exams is not because they are dishonest people, but because they tried to conceal relatively minor issues that might not have been disqualifying if disclosed upfront. Research confirms that prior expectations can influence ambiguous scoring results [17]Verified The Effects of Prior Expectations and Outcome Knowledge on Polygraph Examiners' Decisions
Demonstrates prior expectations can influence scoring of ambiguous polygraph charts, underscoring importance of disclosure, which underscores the importance of full disclosure during the pre-test phase.

Sensor Attachment and Data Collection

The in-chart phase is when the actual physiological data collection takes place. For TSA polygraph exams, this phase typically lasts between 60 and 90 minutes and involves multiple chart collections.

The examiner will attach several sensors to measure your physiological responses:

Pneumograph tubes: Two rubber tubes placed around your chest and abdomen to measure respiratory patterns — breathing rate, depth, and variations.

Galvanic skin response (GSR) sensors: Small plates attached to your fingertips that measure changes in electrical conductivity of your skin, which varies with sweat gland activity.

Cardiovascular cuff: A blood pressure cuff placed on your upper arm that records heart rate, blood pressure changes, and blood volume variations.

Movement sensor: A pad placed on the seat to detect deliberate physical movements [18]Verified Polygraph Examinations — DC Security Clearance Consultants
Confirms polygraph sensor setup including pneumograph tubes, fingertip cuffs, blood pressure cuff, and seat movement sensor.

Question Format and Chart Collection

During each chart collection, the examiner will ask a series of questions in a predetermined sequence. A typical question series includes three types of questions:

Relevant questions: These directly address the topics of concern — espionage, unauthorized disclosure, drug use, criminal conduct, etc. These are the questions being tested.

Comparison questions: Broader questions designed to create a physiological baseline for comparison against relevant questions. The LEPET technique uses the concept of "Psychological Set" — that a subject will physiologically respond to stimuli which pose the greatest threat to their security [9]Verified Department of Defense Polygraph Institute — Law Enforcement Pre-Employment Test
Confirms LEPET structure, question format, and psychological set theory used in federal pre-employment polygraph testing.

Irrelevant questions: Simple factual questions used to establish a physiological baseline and orient the examinee to the testing process.

You will be asked to answer each question with a simple "Yes" or "No." The examiner will repeat the question series multiple times (typically three to five chart collections), and the physiological data from each collection is recorded for later analysis. Research has demonstrated that detection efficiency improves significantly with repeated and varied questioning — achieving dramatically higher accuracy with diverse question sets [11]Verified Effects of Questions' Repetition and Variation on the Efficiency of the Guilty Knowledge Test
Demonstrates electrodermal detection efficiency dramatically improves with question diversity in polygraph testing. Consistency of responses across multiple chart collections strengthens the reliability of the results.

During testing, it is important to remain still, breathe normally, and focus on the questions being asked. Do not try to control your breathing, tense muscles, or employ any techniques you may have read about online. Federal polygraph examiners receive 40 hours of specialized instruction on detecting countermeasure attempts, with 4 hours of refresher training required annually to maintain their certifications [19]Verified NCCA Polygraph Countermeasure Course Files Leaked
Confirms 40 hours of countermeasure detection training required for federal polygraph examiner certification with 4 hours annual refresher. To understand more about the comprehensive uses and benefits of lie detector tests, explore our detailed guide.

National Security / Counterintelligence Topics

These questions are included in both full-scope and CI-scope exams:

Espionage: Have you ever committed espionage against the United States? Have you ever provided classified or sensitive information to an unauthorized person or foreign government?

Sabotage: Have you ever engaged in sabotage against the United States?

Terrorism support: Have you ever provided support to a terrorist organization or engaged in acts of terrorism?

Unauthorized disclosure: Have you ever unauthorized disclosed classified or sensitive national security information?

Foreign contacts: Do you have any unreported contacts with foreign intelligence services or government officials? Have you concealed any relationships with foreign nationals that could create a vulnerability?

Personal History / Lifestyle Topics (Full-Scope Only)

These additional topics are explored during full-scope examinations, which are standard for FAMS and investigative positions:

Criminal conduct: Have you committed any serious crimes that you have not disclosed? This includes unreported arrests, assaults, thefts, fraud, or any felony-level conduct.

Drug use: Have you used illegal drugs or misused prescription medications beyond what you disclosed on your SF-86? Are you currently using any illegal substances?

Financial integrity: Have you engaged in financial fraud, embezzlement, or bribery? Have you concealed significant financial problems that could make you vulnerable to coercion?

Honesty and integrity: Have you deliberately provided false information on your application, SF-86, or during interviews? Have you attempted to conceal information that would be relevant to your suitability?

Employment history: Have you been fired from a job for misconduct that you did not disclose? Have you falsified your work history or qualifications?

It is important to note that having some history in these areas does not automatically disqualify you. For example, limited experimental drug use in the distant past, if disclosed honestly, may not prevent you from being hired depending on the specific circumstances and the position's policies. However, lying about it on the polygraph will almost certainly disqualify you. The examination is testing your honesty and completeness, not searching for perfect candidates. For a comprehensive breakdown of the types of questions you may encounter, see our 270+ law enforcement polygraph questions guide.

What Happens After the Charts

After the in-chart data collection is complete, the examination enters the post-test phase. The examiner may discuss any areas of concern that arose during testing and provide an opportunity for additional disclosures.

A critical component of federal polygraph programs is the quality control (QC) review. Federal agencies do not consider a polygraph result final until quality control personnel review, concur with, and certify the examiner's results, and ensure the test complied with federal polygraph standards [20]Verified Most Complaints about CBP's Polygraph Program Are Ambiguous or Unfounded — DHS OIG
Confirms CBP quality control review process, 2-year waiting period for failed polygraph applicants, and DHS polygraph program structure. All examinations undergo a QC review according to established procedures [10]Verified DoDI 5210.91 — Polygraph and Credibility Assessment Procedures
Confirms federal polygraph examination requires consent, NCCA certification for examiners, and mandatory QC review. This multi-layered review process significantly enhances the reliability of final determinations.

The numerical evaluation of polygraph charts uses standardized scoring systems. The two systems most used in the Federal Government are the seven-position scale (-3, -2, -1, 0, +1, +2, +3) [9]Verified Department of Defense Polygraph Institute — Law Enforcement Pre-Employment Test
Confirms LEPET structure, question format, and psychological set theory used in federal pre-employment polygraph testing. This structured, evidence-based scoring approach ensures objectivity and consistency across examiners.

Possible Outcomes

TSA polygraph examinations can yield several outcomes:

No Deception Indicated (NDI): This is the most favorable result and typically allows the candidate to proceed in the hiring process [6]Verified Polygraphs Background Investigations — DC Security Clearance Consultants
Confirms full-scope polygraph combines counterintelligence and lifestyle polygraphs, NDI as desirable result, and polygraph recording in Scattered Castles. NDI means the candidate's physiological responses were consistent with truthfulness across all relevant question areas.

Deception Indicated (DI): This unfavorable result indicates significant physiological responses to one or more relevant questions, suggesting possible deception. A DI result will typically halt your candidacy.

No Opinion / Inconclusive: This result means the examiner could not make a definitive determination. The agency may offer the candidate an opportunity to retake the examination [20]Verified Most Complaints about CBP's Polygraph Program Are Ambiguous or Unfounded — DHS OIG
Confirms CBP quality control review process, 2-year waiting period for failed polygraph applicants, and DHS polygraph program structure. It is not uncommon for applicants to receive an inconclusive result, especially during their first polygraph experience [21]Verified Next Steps After an Inconclusive or Failed Polygraph
Confirms inconclusive polygraph results are common and that clearance cannot be revoked solely based on unfavorable polygraph result.

Importantly, federal adjudicative guidance indicates that a security clearance cannot be denied or revoked solely based on an unfavorable polygraph test result [22]Verified Security Clearance FAQs — ClearedJobs.net
Confirms security clearance cannot be denied solely on polygraph result and that corroboration is required. If the polygraph surfaces any indication of a potentially disqualifying condition, there must be corroboration from another source of information [22]Verified Security Clearance FAQs — ClearedJobs.net
Confirms security clearance cannot be denied solely on polygraph result and that corroboration is required. However, for pre-employment suitability determinations (as distinct from security clearance decisions), agencies may have broader discretion.

Consequences of a Failed Polygraph

A deception-indicated polygraph result carries significant consequences for TSA candidates. The immediate impact is typically the withdrawal of your conditional job offer and termination of your candidacy for the position.

DHS components generally impose a waiting period before candidates with a failed polygraph can reapply. CBP, which is the largest DHS polygraph program, has a documented 2-year waiting period — applicants who fail can retake the exam after 2 years [20]Verified Most Complaints about CBP's Polygraph Program Are Ambiguous or Unfounded — DHS OIG
Confirms CBP quality control review process, 2-year waiting period for failed polygraph applicants, and DHS polygraph program structure[23]Verified Candidate Fails a CBP Poly: Is This the End of Their Cleared Career?
Confirms CBP polygraph results valid for two years and applicants eligible to retake after that period. TSA follows similar DHS-wide personnel security policies, and candidates should expect comparable waiting periods for polygraph-required positions within the agency.

Polygraph results become part of your federal employment background record. Other federal agencies, particularly those involved in law enforcement, national security, or requiring security clearances, may access and consider these results when evaluating future applications [24]Verified What Happens If You Fail the Polygraph Test for Border Patrol?
Confirms polygraph results become part of federal employment background record and may be accessed by other agencies. While a failed polygraph with one agency does not automatically preclude employment with another, the existence of such a record can influence subsequent suitability determinations [24]Verified What Happens If You Fail the Polygraph Test for Border Patrol?
Confirms polygraph results become part of federal employment background record and may be accessed by other agencies. For a detailed analysis of the implications, read our guide on what happens when you fail a lie detector test.

Inter-Agency Information Sharing

Federal agencies across the intelligence community and law enforcement share certain personnel security data through established systems. Polygraph examination types and their completion dates are recorded in either Scattered Castles, the Joint Personnel Adjudication System (JPAS) within the Department of Defense, or the Central Verification System (CVS) database within the U.S. Office of Personnel Management [16]Verified Security Executive Agent Directive 2 (SEAD 2) — Revised
Confirms polygraph results recorded in Scattered Castles/JPAS/CVS, consent requirements, and adverse consequences for countermeasure use. Scattered Castles is the U.S. Intelligence Community's authoritative personnel security repository for verifying personnel security access approvals regarding SCI and other controlled access programs [25]Verified Privacy Impact Assessment for the Integrated Security Management System (ISMS) — DHS
Confirms DHS ISMS checks Scattered Castles and SII/CVS/JPAS for prior investigations, clearances, and polygraphs.

DHS uses its Integrated Security Management System (ISMS), which checks the SII/CVS/JPAS databases and Scattered Castles as part of the personnel security process [26]Verified Privacy Impact Assessment — DHS ISMS
Confirms TSA was scheduled to transition to the ISMS common personnel security repository across DHS components. Previously conducted investigations, clearances, polygraphs, and adjudications for a given individual are collected and verified using these systems [26]Verified Privacy Impact Assessment — DHS ISMS
Confirms TSA was scheduled to transition to the ISMS common personnel security repository across DHS components. This means that TSA polygraph results are accessible to other DHS components such as CBP, Secret Service, ICE, and the Coast Guard, as well as potentially to other federal agencies participating in reciprocal clearance arrangements.

Preparation Strategies

The most effective preparation for a TSA polygraph is thorough self-reflection and honest self-assessment. There are no tricks, techniques, or shortcuts that will help you pass the exam — and attempting to use them can have severe consequences.

Review your SF-86 thoroughly: Go through every section of your Standard Form 86 and make sure all information is accurate and complete. Cross-reference dates, addresses, employment records, and contact information. Identify any areas where you may have made errors or omissions.

Conduct an honest self-inventory: Reflect on the topic areas covered by the polygraph. Think about your entire life history in relation to criminal conduct, drug use, financial issues, and other relevant areas. If something surfaces that you did not include on your SF-86, prepare to disclose it during the pre-test interview.

Get a good night's sleep: Physical fatigue can affect your physiological responses. Arrive at the exam well-rested and in good physical condition.

Avoid excessive caffeine or stimulants: These can affect your heart rate and other physiological measurements.

Be prepared for a long session: The exam can take 2 to 4 hours. Eat a light meal beforehand and use the restroom before testing begins.

Countermeasure Warnings

Do not attempt to use any physical or mental countermeasure techniques during the examination. Federal polygraph examiners are specifically trained to detect countermeasure attempts through the NCCA's 40-hour comprehensive countermeasure detection course [19]Verified NCCA Polygraph Countermeasure Course Files Leaked
Confirms 40 hours of countermeasure detection training required for federal polygraph examiner certification with 4 hours annual refresher. Confirmed countermeasure use may result in an adverse security determination regarding the individual's national security eligibility [16]Verified Security Executive Agent Directive 2 (SEAD 2) — Revised
Confirms polygraph results recorded in Scattered Castles/JPAS/CVS, consent requirements, and adverse consequences for countermeasure use.

The federal government takes countermeasure attempts seriously. In a notable case, former polygraph examiner Doug Williams was convicted on charges of mail fraud and witness tampering after an undercover sting operation (Operation Lie Busters) in which he taught undercover federal agents how to pass polygraph tests while concealing disqualifying information [27]Verified Doug Williams, RIP — AntiPolygraph.org
Confirms Doug Williams was sentenced to two years in prison for teaching polygraph countermeasures to undercover federal agents. He was sentenced to two years in federal prison [27]Verified Doug Williams, RIP — AntiPolygraph.org
Confirms Doug Williams was sentenced to two years in prison for teaching polygraph countermeasures to undercover federal agents. This case demonstrates the government's willingness to prosecute conduct related to polygraph deception.

Making false statements to a federal agency during any federal proceeding — including a polygraph examination — is also a violation of 18 U.S.C. § 1001, which prohibits knowingly and willfully making false or fraudulent statements in any matter within the jurisdiction of the federal government [28]Verified Making False Statements — 18 U.S.C. § 1001
Confirms 18 U.S.C. § 1001 prohibits knowingly and willfully making false statements in any matter within federal government jurisdiction. This statute carries penalties of up to five years in prison [29]Verified False Statements and Perjury: An Overview of Federal Criminal Law
Confirms penalties of up to five years imprisonment for violations of 18 U.S.C. § 1001, with enhancements to eight years for terrorism-related cases. While the application of this statute specifically to physical countermeasure techniques (as opposed to verbal false statements) remains legally nuanced, the risks of attempting to deceive a federal polygraph examiner extend well beyond simply failing the exam.

Health Considerations

Certain medical conditions and medications can affect physiological responses during a polygraph examination. If you have any health conditions or take medications that could influence your heart rate, blood pressure, respiratory patterns, or skin conductivity, you should disclose these to the examiner during the pre-test interview.

Common conditions that may be relevant include cardiovascular issues, respiratory conditions, anxiety disorders, sleep disorders, and neurological conditions. Medications such as beta blockers, anti-anxiety drugs, and certain pain medications can potentially affect test results.

Disclosing these conditions does not automatically disqualify you from the polygraph or the position. The examiner will take your medical information into account when evaluating your results. However, if you have concerns about whether a specific condition may make polygraph testing unsuitable for you, review our guide on who is unsuitable for a polygraph test.

Comparing DHS Polygraph Programs

Within the Department of Homeland Security, several component agencies operate polygraph programs. A DHS OIG report found that TSA, CBP, and the Secret Service all have polygraph programs, with ICE establishing one as well [20]Verified Most Complaints about CBP's Polygraph Program Are Ambiguous or Unfounded — DHS OIG
Confirms CBP quality control review process, 2-year waiting period for failed polygraph applicants, and DHS polygraph program structure. CBP conducts the most screening polygraph exams — accounting for 78 percent of the Department's fiscal year 2016 exams [20]Verified Most Complaints about CBP's Polygraph Program Are Ambiguous or Unfounded — DHS OIG
Confirms CBP quality control review process, 2-year waiting period for failed polygraph applicants, and DHS polygraph program structure.

CBP originally used the standard LEPET format for all applicant polygraph examinations before collaborating with the NCCA to develop the TES-C (Test for Espionage, Sabotage, and Corruption), which became CBP's standard format effective May 1, 2018 [7]Verified TES-C Pilot Successful, Implemented as CBP's Primary Testing Format
Confirms CBP's use of LEPET format, NCCA collaboration, and TES-C implementation as standard format in 2018. The TES-C combined an approved NCCA counterintelligence scope testing format with suitability topics from the LEPET format [7]Verified TES-C Pilot Successful, Implemented as CBP's Primary Testing Format
Confirms CBP's use of LEPET format, NCCA collaboration, and TES-C implementation as standard format in 2018. CBP reported that the TES-C format reduced average exam times and the number of retests while revealing no appreciable difference in exam efficacy [7]Verified TES-C Pilot Successful, Implemented as CBP's Primary Testing Format
Confirms CBP's use of LEPET format, NCCA collaboration, and TES-C implementation as standard format in 2018.

TSA's polygraph program, while smaller than CBP's, follows the same DHS-wide personnel security standards and NCCA-approved testing protocols. For a detailed comparison with the CBP process, consult our CBP polygraph exam guide. Candidates interested in other federal law enforcement polygraph requirements may also find our FBI polygraph exam guide helpful.

Understanding Your Rights

Federal polygraph examinations require the consent of the examinee, and the examinee may withdraw consent and terminate the examination at any time during any phase [10]Verified DoDI 5210.91 — Polygraph and Credibility Assessment Procedures
Confirms federal polygraph examination requires consent, NCCA certification for examiners, and mandatory QC review. However, exercising this right will effectively end your candidacy for the position.

You have the right to be informed of the process, the questions that will be asked, and the voluntary nature of the examination before testing begins. The examiner must obtain a signed consent form prior to each polygraph session [16]Verified Security Executive Agent Directive 2 (SEAD 2) — Revised
Confirms polygraph results recorded in Scattered Castles/JPAS/CVS, consent requirements, and adverse consequences for countermeasure use.

Refusal without reasonable cause to undergo, or failure to cooperate during, a polygraph examination — including confirmed polygraph countermeasures — may result in an additional review and a potential adverse security determination [16]Verified Security Executive Agent Directive 2 (SEAD 2) — Revised
Confirms polygraph results recorded in Scattered Castles/JPAS/CVS, consent requirements, and adverse consequences for countermeasure use. This policy is established under Security Executive Agent Directive 2 (SEAD 2), the governing directive for polygraph examinations across the federal government.

Importantly, a security clearance cannot be denied or revoked solely based on an unfavorable polygraph result [22]Verified Security Clearance FAQs — ClearedJobs.net
Confirms security clearance cannot be denied solely on polygraph result and that corroboration is required. If concerns arise, there must be corroboration from other investigative sources. However, statements made during the pre-test or post-test interview may themselves constitute the corroborating evidence [22]Verified Security Clearance FAQs — ClearedJobs.net
Confirms security clearance cannot be denied solely on polygraph result and that corroboration is required.

For more information about your rights when facing a polygraph, see our guide on refusing a lie detector test and our resource on job rights after a failed polygraph.