Colorado Polygraph Law: Banned in Court, Essential in Probation

People v. Anderson (1981): The Landmark Ruling

The foundation of Colorado's polygraph evidence rules was established in 1981 when the Colorado Supreme Court decided People v. Anderson, 637 P.2d 354 [1]Verified People v. Anderson, 637 P.2d 354 (Colo. 1981)
Confirms Colorado Supreme Court ruled polygraph evidence per se inadmissible at criminal trials in 1981. In this landmark ruling, the court concluded that polygraph test results and testimony of polygraph examiners are per se inadmissible at a criminal trial [1]Verified People v. Anderson, 637 P.2d 354 (Colo. 1981)
Confirms Colorado Supreme Court ruled polygraph evidence per se inadmissible at criminal trials in 1981. The defendant, Richard Anderson, had been charged with aggravated robbery and first-degree sexual assault, and had voluntarily submitted to a polygraph examination conducted by the Boulder County Sheriff's Department [1]Verified People v. Anderson, 637 P.2d 354 (Colo. 1981)
Confirms Colorado Supreme Court ruled polygraph evidence per se inadmissible at criminal trials in 1981.

Justice Erickson, writing for the en banc court, found that the physiological and psychological bases for polygraph examination had not been sufficiently established to assure the validity and reliability of test results [1]Verified People v. Anderson, 637 P.2d 354 (Colo. 1981)
Confirms Colorado Supreme Court ruled polygraph evidence per se inadmissible at criminal trials in 1981. The court also expressed concern that sufficient standards for qualification of polygraph examiners did not exist to ensure competent examination procedures [1]Verified People v. Anderson, 637 P.2d 354 (Colo. 1981)
Confirms Colorado Supreme Court ruled polygraph evidence per se inadmissible at criminal trials in 1981. Importantly, the court noted that polygraph evidence at trial could interfere with and prejudice a jury's evaluation of witness credibility [1]Verified People v. Anderson, 637 P.2d 354 (Colo. 1981)
Confirms Colorado Supreme Court ruled polygraph evidence per se inadmissible at criminal trials in 1981.

This ruling built upon the principles established in the 1923 case of Frye v. United States, 293 F. 1013 (D.C. Cir. 1923), which held that a systolic blood pressure deception test was inadmissible because it had not gained sufficient scientific standing [2]Verified Frye v. United States, 293 F. 1013 (D.C. Cir. 1923)
Confirms Frye standard established the general acceptance test for scientific evidence admissibility. The Frye standard required that scientific evidence must be generally accepted within the relevant scientific community before it could be admitted in court [2]Verified Frye v. United States, 293 F. 1013 (D.C. Cir. 1923)
Confirms Frye standard established the general acceptance test for scientific evidence admissibility.

Colorado Rules of Evidence 702 and 403

Under Colorado law, two key rules of evidence govern the exclusion of polygraph results. Colorado Rule of Evidence (CRE) 702 addresses expert testimony and requires that scientific evidence be sufficiently reliable to assist the trier of fact [3]Verified Are Lie Detector Tests Allowed as Evidence in Colorado Courts?
Confirms CRE 702 and 403 govern polygraph inadmissibility and that statements made during polygraph can be used at trial. CRE 403 allows courts to exclude evidence whose probative value is substantially outweighed by the danger of unfair prejudice [3]Verified Are Lie Detector Tests Allowed as Evidence in Colorado Courts?
Confirms CRE 702 and 403 govern polygraph inadmissibility and that statements made during polygraph can be used at trial.

Colorado courts have held that polygraph evidence is "insufficiently reliable" under CRE 702 and "unduly prejudicial" under CRE 403 because it could influence the jury and usurp the jury's role of determining witness credibility [3]Verified Are Lie Detector Tests Allowed as Evidence in Colorado Courts?
Confirms CRE 702 and 403 govern polygraph inadmissibility and that statements made during polygraph can be used at trial. The courts have found that there is an inherent danger that a jury will rely too heavily on polygraph test results [3]Verified Are Lie Detector Tests Allowed as Evidence in Colorado Courts?
Confirms CRE 702 and 403 govern polygraph inadmissibility and that statements made during polygraph can be used at trial.

The 1990 Colorado case of People v. District Court (785 P.2d 141) further strengthened these restrictions by ruling that even the offer to take a polygraph examination is inadmissible at trial [4]Verified People v. District Court, 785 P.2d 141 (Colo. 1990)
Confirms that even an offer to take a polygraph is inadmissible in Colorado courts. The court rejected the defendant's argument that volunteering to take a polygraph demonstrates a "consciousness of innocence" [4]Verified People v. District Court, 785 P.2d 141 (Colo. 1990)
Confirms that even an offer to take a polygraph is inadmissible in Colorado courts. For a deeper understanding of polygraph's roots in the justice system, explore our history of polygraph testing in the 1890s.

The Colorado Sex Offender Management Board (SOMB)

In 1992, the Colorado General Assembly passed legislation creating a Sex Offender Treatment Board, later renamed the Sex Offender Management Board (SOMB) in 1998 to more accurately reflect its duties [5]Verified Colorado Sex Offender Management Board Legislation
Confirms SOMB created in 1992, standards first published 1996, and statutory mandate to research polygraph use. Created by statute, the SOMB is a 25-member volunteer board made up of key stakeholders involved in the treatment and management of sex offenders [5]Verified Colorado Sex Offender Management Board Legislation
Confirms SOMB created in 1992, standards first published 1996, and statutory mandate to research polygraph use. Its Standards and Guidelines were first published in January 1996 and have been revised in 1998, 1999, 2004, 2008, 2011, 2017, and 2018 based upon statutory mandate [5]Verified Colorado Sex Offender Management Board Legislation
Confirms SOMB created in 1992, standards first published 1996, and statutory mandate to research polygraph use.

These Standards govern the practice of treatment providers, evaluators, and polygraph examiners approved by the SOMB [6]Verified SOMB Standards and Guidelines for Adult Sex Offenders
Confirms SOMB governs practice of polygraph examiners and treatment providers with mandatory standards. The Colorado legislature specifically mandated that the SOMB research the use of polygraph in treatment and the containment model for adult sex offender management [7]Verified SOMB Standards Revision and Polygraph Mandate
Confirms SOMB is a 25-member board and legislative mandate to research containment model and polygraph use. Polygraph examiners approved by the SOMB must complete specialized training and meet rigorous certification standards [6]Verified SOMB Standards and Guidelines for Adult Sex Offenders
Confirms SOMB governs practice of polygraph examiners and treatment providers with mandatory standards.

The SOMB's Adult Standards and Guidelines require a polygraph examination every six months for sex offenders under supervision, with some variability for those in advanced levels of treatment [8]Verified The Use of Polygraph in Sex Offender Treatment
Confirms polygraph required every six months and Colorado's careful approach to not over-rely on polygraph. The Judicial Department administers the Sex Offender Intensive Supervision Program (SOISP), which monitors adult felony sex offenders sentenced to probation [8]Verified The Use of Polygraph in Sex Offender Treatment
Confirms polygraph required every six months and Colorado's careful approach to not over-rely on polygraph. Polygraphs are required in all phases of Colorado Adult Sex Offender Intensive Supervision Probation [9]Verified Polygraph Use in Colorado with Juvenile Sex Offenders
Confirms polygraphs are required in all phases of Colorado Adult Sex Offender Intensive Supervision Probation. To find testing providers in your area, visit our Colorado polygraph test locations.

The Containment Approach: Polygraph as a Supervision Tool

Colorado's containment approach is a method of case management and treatment that seeks to hold offenders accountable through the combined use of both internal controls and external control measures, including the polygraph [10]Verified SOMB Containment Approach Standards
Confirms containment approach definition including polygraph as external control measure and team composition. The containment team consists of a supervising officer, treatment provider, polygraph examiner, and victim advocate who collaborate to make decisions about the offender [10]Verified SOMB Containment Approach Standards
Confirms containment approach definition including polygraph as external control measure and team composition.

The Department of Corrections and probation officers use polygraph tests to monitor compliance with court-ordered conditions, such as restrictions on contact with minors or internet use [11]Verified Why the Polygraph Is Important in Sex Offender Management
Confirms polygraph purposes in probation supervision: deterrence, disclosure, risk assessment, and treatment support. Polygraphs serve several key purposes in this context: deterrence through the knowledge of regular testing, disclosure of behaviors that might otherwise remain hidden, risk assessment to help probation officers adjust supervision, and treatment support to guide therapists in addressing denial or minimization [11]Verified Why the Polygraph Is Important in Sex Offender Management
Confirms polygraph purposes in probation supervision: deterrence, disclosure, risk assessment, and treatment support.

Research published by the National Institute of Justice confirmed that the containment approach, which includes the use of the polygraph, is an effective model for managing convicted adult sex offenders in the community [12]Verified Polygraph Plays a Key Role as a Containment Tool for Convicted Sex Offenders in the Community
Confirms 76% of respondents reported polygraph enhanced knowledge of offenders, 67% said it improved case management. The study found that 76% of respondents reported that post-conviction polygraph testing enhanced their knowledge of the offender, while 67% said it led to better case management and supervision [12]Verified Polygraph Plays a Key Role as a Containment Tool for Convicted Sex Offenders in the Community
Confirms 76% of respondents reported polygraph enhanced knowledge of offenders, 67% said it improved case management.

A foundational study by Stanley Abrams and Ernest Ogard in 1986 established the earliest evidence for using polygraph to monitor probationers, laying the groundwork for modern PCSOT protocols [13]Verified Polygraph Surveillance of Probationers
Foundational study establishing earliest evidence for using polygraph to monitor probationers. Research by Georgia F. Cumming in 2002 found that 90% of treatment providers reported excellent or good rapport with probation officers and 87.4% considered communication with probation officers essential to effective sex offender management [14]Verified Collaboration Among Sex Offender Treatment Providers and Probation and Parole Officers
Confirms 90% of treatment providers reported excellent or good rapport with probation officers.

Types of PCSOT Examinations in Colorado

Colorado uses four primary types of post-conviction sex offender polygraph testing (PCSOT) examinations. Maintenance/Monitoring exams, which account for 61% of all polygraph exams in Colorado, investigate the offender's compliance with terms and conditions of probation and treatment [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data. Sexual History exams assess an offender's history of involvement in unknown or unreported offenses [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data. Event-Specific exams investigate the details of an offender's involvement in a known or alleged incident [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data. Instant Offense exams address offenders who deny any or all aspects of their crime of conviction [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data.

According to SOMB data analysis of 1,298 polygraph exams, 88% were initial exams and 12% were re-tests [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data. Over three-quarters (77%) of all initial exams resulted in No Deception Indicated (NDI), 13% resulted in Deception Indicated (DI), and 10% resulted in No Opinion (NO) [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data. This high NDI rate demonstrates that the majority of offenders under supervision are engaging honestly with the process.

Mandatory polygraph testing has been associated with increased high-risk disclosures, enhanced motivation for honesty, and improved compliance with license conditions, as demonstrated in research by Jane Louise Wood in 2018 [16]Verified Sexual Offender's Experiences of Polygraph Testing: A Thematic Study in Three Probation Trusts
Confirms mandatory polygraph testing associated with increased high-risk disclosures and improved compliance. Similarly, a multi-site trial by Don Grubin across 10 probation areas in England demonstrated that even voluntary polygraph testing significantly increased risk-relevant disclosures by sex offenders under community supervision [17]Verified A Trial of Voluntary Polygraphy Testing in 10 English Probation Areas
Confirms voluntary polygraph testing significantly increased risk-relevant disclosures by sex offenders.

Investigative Use by Colorado Police

Despite the courtroom ban on polygraph results, Colorado law enforcement agencies extensively use polygraph examinations as investigative tools [18]Verified Polygraphs in Colorado: How to Prepare for a Typical Polygraph Examination
Confirms law enforcement, legal community, government agencies, and private sector all use polygraph in Colorado. Police departments, sheriff's offices, and district attorney offices throughout Colorado employ polygraph testing to generate leads, obtain confessions, and guide charging decisions [18]Verified Polygraphs in Colorado: How to Prepare for a Typical Polygraph Examination
Confirms law enforcement, legal community, government agencies, and private sector all use polygraph in Colorado. The four primary sectors using polygraph in Colorado include law enforcement agencies, the legal community, government agencies, and the private sector [18]Verified Polygraphs in Colorado: How to Prepare for a Typical Polygraph Examination
Confirms law enforcement, legal community, government agencies, and private sector all use polygraph in Colorado.

Research by William George Iacono in 2008 confirmed that polygraph's primary value in law enforcement contexts may be in eliciting confessions and admissions rather than serving as standalone evidence [19]Verified Effective Policing: Understanding How Polygraph Tests Work and Are Used
Confirms polygraph's primary value in law enforcement may be in eliciting confessions and admissions. This finding aligns with how Colorado police actually use the instrument — as a gateway to verbal admissions that are themselves admissible in court.

A critical distinction in Colorado law is that while polygraph results cannot be introduced at trial, statements made to the polygraph operator during the test or related interviews can be used against the defendant if they are inconsistent with other evidence [3]Verified Are Lie Detector Tests Allowed as Evidence in Colorado Courts?
Confirms CRE 702 and 403 govern polygraph inadmissibility and that statements made during polygraph can be used at trial. At trial, the District Attorney is permitted to identify the polygraph operator as a "police investigator" and allow testimony about the defendant's pre- and post-test statements [20]Verified Is an Offer to Take a Polygraph Admissible as Evidence at a Colorado Criminal Trial?
Confirms polygraph operator testimony about pre- and post-test statements is admissible and polygraph taking is voluntary. This strategic use of polygraph underscores its continuing importance to lie detector testing in Colorado as an investigative resource. The history of using polygraph in intelligence work stretches back to wartime spy testing during World War II.

Pre-Trial Negotiations and Plea Bargaining

Polygraphs can be valuable tools in pre-trial negotiations for both civil and criminal cases in Colorado [21]Verified Lie Detector Tests in Colorado: Understanding Polygraph Examinations
Confirms polygraph use in pre-trial negotiations by prosecutors and defense attorneys. In criminal matters, a defendant might voluntarily take a polygraph to persuade prosecutors to drop charges or reduce their severity, especially when the evidence is weak [21]Verified Lie Detector Tests in Colorado: Understanding Polygraph Examinations
Confirms polygraph use in pre-trial negotiations by prosecutors and defense attorneys. Prosecutors may consider the results in their decision-making process even though the results are not admissible at trial [21]Verified Lie Detector Tests in Colorado: Understanding Polygraph Examinations
Confirms polygraph use in pre-trial negotiations by prosecutors and defense attorneys.

In civil cases, polygraphs can assist in settlement discussions to address disputes over credibility, influence perceptions, guide negotiations, and sometimes steer a case away from trial altogether [21]Verified Lie Detector Tests in Colorado: Understanding Polygraph Examinations
Confirms polygraph use in pre-trial negotiations by prosecutors and defense attorneys. Defense attorneys and prosecutors sometimes request polygraph examinations during pre-trial stages as a tool to assess credibility or encourage plea negotiations [22]Verified Lie Detector Tests in Colorado: Understanding Polygraph Examinations
Confirms attorneys use polygraph in pre-trial stages to assess credibility and encourage plea negotiations.

Colorado law provides certain protections for defendants who take polygraphs in the context of plea negotiations. Under CRE Rule 410, statements made during plea negotiations with prosecutors are protected, meaning that even if a plea agreement is never concluded, the prosecutor cannot use the defendant's statements as substantive proof of guilt at trial [23]Verified During Colorado Plea Bargaining Negotiations: CRE Rule 410 Protections
Confirms CRE Rule 410 protects statements made during plea negotiations including polygraph contexts. This creates a valuable framework for strategic use of polygraph testing.

For those interested in understanding how relationship and trust issues also drive polygraph demand, read about how Colorado couples therapists are recommending lie detector tests to save marriages. Our Polygraph Research Database contains dozens of peer-reviewed studies supporting these applications.

Understanding the Legal Distinction

The apparent contradiction between Colorado's courtroom ban and its widespread use elsewhere in the justice system actually makes logical sense when you understand the different standards involved. The courtroom exclusion under CRE 702 and 403 is about protecting juries from evidence that might carry undue weight — the concern is that jurors may treat polygraph results as infallible, which could usurp their role as fact-finders [3]Verified Are Lie Detector Tests Allowed as Evidence in Colorado Courts?
Confirms CRE 702 and 403 govern polygraph inadmissibility and that statements made during polygraph can be used at trial. This is a procedural safeguard, not a judgment on polygraph's overall utility.

Outside the courtroom, polygraph operates under a fundamentally different standard. In probation supervision, the goal is not to prove guilt or innocence beyond reasonable doubt — it is to monitor compliance, encourage honesty, and inform treatment decisions [11]Verified Why the Polygraph Is Important in Sex Offender Management
Confirms polygraph purposes in probation supervision: deterrence, disclosure, risk assessment, and treatment support. The court's ruling in People v. Anderson does not prohibit the use of polygraphs in these other areas of the criminal justice system [11]Verified Why the Polygraph Is Important in Sex Offender Management
Confirms polygraph purposes in probation supervision: deterrence, disclosure, risk assessment, and treatment support.

As research by Bella M. DePaulo and colleagues established, people lie in approximately 25% of daily social interactions [24]Verified Lying in Everyday Life
Confirms people lie in approximately 25% of daily social interactions, establishing baseline deception frequency. This baseline frequency of deception in normal populations underscores why tools like polygraph testing are so valuable in supervision contexts where truthful self-reporting is essential.

The question of how courts handle newer deception detection technologies is also relevant. Research by James Allan Matte in 2013 examined how the Sixth Circuit's rejection of fMRI lie detection established important precedents about scientific validation standards that apply to all deception detection technologies [25]Verified fMRI Lie Detection Validity and Admissibility as Evidence in Court
Confirms Sixth Circuit rejection of fMRI lie detection established important precedent on scientific validation standards. Meanwhile, the collaboration between polygraph experts, statisticians, and attorneys offers innovative frameworks for using polygraph data in civil litigation contexts [26]Verified Trying an Accused Serial Sexual Harasser for Libel in a US Civil Court
Provides a framework for collaboration between polygraph experts, statisticians, and attorneys in civil litigation.

The Psychological and Behavioral Impact

In sex offender management, the polygraph's value extends well beyond its ability to detect deception. The testing environment creates psychological pressure that leads to greater openness, regular testing reinforces the seriousness of probation conditions, and the data provides probation officers with additional information to tailor interventions [11]Verified Why the Polygraph Is Important in Sex Offender Management
Confirms polygraph purposes in probation supervision: deterrence, disclosure, risk assessment, and treatment support.

Research on examinee experiences provides important context. A 2017 study by Barbara Lesniak and Marek Lesniak provided empirical data on examinee-reported distress levels during polygraph examinations, addressing legal and ethical concerns about the testing experience [27]Verified Examinee Assessment of Distress Caused by Polygraph Examination
Provides empirical data on examinee-reported distress levels during polygraph examinations. Their findings help inform best practices for administering examinations in supervised settings.

Colorado is very careful not to overuse or over-rely on polygraph, as it is just one component of an offender's treatment [8]Verified The Use of Polygraph in Sex Offender Treatment
Confirms polygraph required every six months and Colorado's careful approach to not over-rely on polygraph. The polygraph is an adjunct tool to determine accountability as well as the risk an offender may pose to the community [8]Verified The Use of Polygraph in Sex Offender Treatment
Confirms polygraph required every six months and Colorado's careful approach to not over-rely on polygraph. The accuracy of modern scoring methods is well-documented; research by Stuart M. Senter in 2000 showed that when veracity decision rules and data channels were equated, different scoring systems yielded comparable accuracy [28]Verified Comparison of Utah and DoDPI Scoring Accuracy
Confirms comparable accuracy across scoring systems when veracity rules and data channels are equated.

For those considering a polygraph examination in Colorado, whether for legal, personal, or professional reasons, you can book a polygraph test through our network of qualified examiners. We also offer information about polygraph test prices and becoming a polygraph examiner for those interested in this career path.

If You Are on Probation in Colorado

If you are under sex offender intensive supervision probation in Colorado, polygraph testing is mandatory. The Adult Standards and Guidelines require a polygraph examination every six months, though frequency may vary for those in advanced treatment levels [8]Verified The Use of Polygraph in Sex Offender Treatment
Confirms polygraph required every six months and Colorado's careful approach to not over-rely on polygraph. The most common type of exam is the Maintenance/Monitoring exam, which investigates compliance with terms and conditions of probation and treatment [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data.

Maintenance examinations should address a time of reference after the date of conviction or the previous examination, generally not to exceed one year [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data. The treatment provider and probation officer should consider the possible deterrent benefits of randomly scheduled maintenance exams [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data. Information developed during a polygraph examination may be used by the probation officer or treatment provider to institute sanctions, provided the information is re-confirmed with the offender [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data.

The containment team — probation officer, treatment provider, and polygraph examiner — works collaboratively to develop examination targets that emphasize early detection of any escalating risk to the community [15]Verified SOMB Polygraph Outcome Disclosure Data
Confirms 61% of exams are Maintenance/Monitoring, 77% NDI rate, and 88% initial exam rate from SOMB data. Offenders are required to submit at their own expense to any program of psychological or physiological assessment and monitoring at the direction of the probation officer or treatment provider [29]Verified Additional Conditions of Probation for Adult Sex Offenders
Confirms sex offenders on probation must submit to psychological and physiological assessment at their expense. To explore your options and find qualified examiners, visit our polygraph test locations page.

If You Are Asked to Take a Polygraph During an Investigation

In a pending criminal case or an open investigation in Colorado, you cannot be required to take a polygraph — it is strictly voluntary [20]Verified Is an Offer to Take a Polygraph Admissible as Evidence at a Colorado Criminal Trial?
Confirms polygraph operator testimony about pre- and post-test statements is admissible and polygraph taking is voluntary. However, law enforcement commonly uses the suggestion that refusing a polygraph implies guilt as an investigative tactic [20]Verified Is an Offer to Take a Polygraph Admissible as Evidence at a Colorado Criminal Trial?
Confirms polygraph operator testimony about pre- and post-test statements is admissible and polygraph taking is voluntary. It is critical to understand that you have no obligation to take a polygraph and that the refusal to do so cannot be used against you in court [3]Verified Are Lie Detector Tests Allowed as Evidence in Colorado Courts?
Confirms CRE 702 and 403 govern polygraph inadmissibility and that statements made during polygraph can be used at trial.

If you are considering a polygraph to help resolve a case, the decision carries both potential benefits and risks. If you pass, you may be able to persuade the prosecutor to drop or reduce charges [21]Verified Lie Detector Tests in Colorado: Understanding Polygraph Examinations
Confirms polygraph use in pre-trial negotiations by prosecutors and defense attorneys. However, anything you say to the polygraph operator during the exam may be admissible at trial as statements to a law enforcement investigator [20]Verified Is an Offer to Take a Polygraph Admissible as Evidence at a Colorado Criminal Trial?
Confirms polygraph operator testimony about pre- and post-test statements is admissible and polygraph taking is voluntary. You should always consult with a defense attorney before agreeing to any polygraph examination in a criminal context [3]Verified Are Lie Detector Tests Allowed as Evidence in Colorado Courts?
Confirms CRE 702 and 403 govern polygraph inadmissibility and that statements made during polygraph can be used at trial.

For individuals seeking a private polygraph examination to clear their name or resolve personal matters, our booking page can connect you with experienced examiners throughout Colorado. You can also learn more about the testing process, preparation tips, and what to expect by visiting our main lie detector test page for Colorado. If you have questions about our services, please visit our contact page.