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- Colorado Criminal Law – How To Testify – How To BE A Witness*
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- Understanding and How To Win a Permanent Restraining Order Hearing in Colorado
- Understanding and How To Win a Permanent Restraining Order Hearing in Colorado – Part II
- Colorado Criminal Defense Law: Criminally Negligent Homicide (18-3-105)
- Understanding The Complex Colorado Crime of Reckless Endangerment C.R.S. 18-3-208
- Colorado Grand Jury Criminal Investigations – A Lawyer Provides Some Answers
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- Ex-Arapahoe Douglas County Prosecutor H. Michael Steinberg Reveals Some Things Your Prosecutor Doesn’t Want You To Know About Your Colorado DUI
- Colorado DUI, DWAI and DUID Laws, Sentencing, Rules and Regulations 2012
- FAQ: If You Are Pulled Over By the Police For A Colorado DUI – What Do I Do ? – Some Suggestions
- COLORADO Criminal and Civil Law Cross Over – When You Give A Party and Other People Become Intoxicated – Am I Responsible For Their Later Acts?
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- The Colorado Rules Of Criminal Procedure – 2017 – A Reference Guide
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- 001. COLORADO INCHOATE CRIMES – INCOMPLETE CRIMES SUCH AS ATTEMPTS, CONSPIRACIES AND SOLICITATION
- 002. COLORADO CRIMINAL CODE – OFFENSES AGAINST PERSONS – HOMICIDES
- 003. COLORADO CRIMINAL CODE – OFFENSES AGAINST PERSONS – ASSAULTS
- 004. COLORADO CRIMINAL CODE — OFFENSES AGAINST PERSONS – MENACING AND EXTORTION
- 005. COLORADO CRIMINAL CODE — OFFENSES AGAINST PERSONS – RECKLESS ENDANGERMENT
- 006. COLORADO CRIMINAL CODE — OFFENSES AGAINST PERSONS – KIDNAPPING OFFENSES
- 007. COLORADO CRIMINAL CODE — OFFENSES AGAINST PERSONS – FALSE IMPRISONMENT
- 008. COLORADO CRIMINAL CODE – OFFENSES AGAINST PERSONS – VIOLATION OF CUSTODY ORDERS
- 009. COLORADO CRIMINAL CODE – OFFENSES AGAINST PERSONS – SEX CRIMES – CHILDREN – ADULTS
- 010. COLORADO CRIMINAL CODE – OFFENSES AGAINST PERSONS – STALKING
- 011. COLORADO CRIMINAL CODE – OFFENSES AGAINST PROPERTY – ARSON
- 012. COLORADO CRIMINAL CODE – OFFENSES AGAINST PROPERTY – BURGLARY
- 013. COLORADO CRIMINAL CODE – OFFENSES AGAINST PROPERTY – ROBBERY AND AGGRAVATED ROBBERY
- 014. COLORADO CRIMINAL CODE – OFFENSES AGAINST PROPERTY – ALL THEFT CRIMES IN COLORADO
- 015. COLORADO CRIMINAL CODE – OFFENSES AGAINST PROPERTY – TRESPASS, CRIMINAL TAMPERING, AND CRIMINAL MISCHIEF
- 016. COLORADO CRIMINAL CODE – OFFENSES INVOLVING FRAUD – FORGERY, SIMULATION, IMPERSONATION, AND RELATED OFFENSES
- 017. COLORADO CRIMINAL CODE – OFFENSES INVOLVING FRAUD – 016. COLORADO CRIMINAL CODE – OFFENSES INVOLVING FRAUD -FRAUDULENT AND DECEPTIVE SALES AND BUSINESS PRACTICES
- 018. COLORADO CRIMINAL CODE – OFFENSES INVOLVING FRAUD -EQUITY SKIMMING AND RELATED OFFENSES
- 019. COLORADO CRIMINAL CODE – OFFENSES INVOLVING FRAUD -COMPUTER CRIMES
- 020. COLORADO CRIMINAL CODE – OFFENSES INVOLVING THE FAMILY RELATION
- 021. COLORADO CRIMINAL CODE – WRONGS TO AT-RISK ADULTS AND AT-RISK JUVENILES
- 022. COLORADO CRIMINAL CODE – OFFENSES RELATING TO MORALS
- 023. COLORADO CRIMINAL CODE – GOVERNMENTAL OPERATIONS – OBSTRUCTION OF JUSTICE – RESISTING ARREST I
- 024. COLORADO CRIMINAL CODE – GOVERNMENTAL OPERATIONS – ESCAPE – AND INTRODUCING CONTRABAND CRIMES
- 023- A. COLORADO CRIMINAL CODE – GOVERNMENTAL OPERATIONS – PUBLIC CORRUPTION AND BRIBERY- II
- 025. COLORADO CRIMINAL CODE – OFFENSES AGAINST PUBLIC PEACE, ORDER, AND DECENCY – HARASSMENT ETC
- 026. COLORADO CRIMINAL CODE – OFFENSES INVOLVING CRUELTY TO ANIMALS
- 027. COLORADO CRIMINAL CODE – CRIMES INVOLVING COMMUNICATIONS – EAVESDROPPING – WIRETAPPING
- 029. COLORADO CRIMINAL CODE – CRIMES INVOLVING GAMBLING
- 030. COLORADO CRIMINAL CODE – CRIMES INVOLVING FIREARMS AND WEAPONS
- 031. COLORADO CRIMINAL CODE – CRIMES LIBEL – WILDFIRES – GHB
- 032. COLORADO CRIMINAL CODE – CRIMES MAKING, FINANCING, OR COLLECTION OF LOANS
- 033. COLORADO CRIMINAL CODE – CRIMES INVOLVING CONTROLLED SUBSTANCES (DRUG CRIMES)
- 034. COLORADO CRIMINAL CODE – CRIMES INVOLVING GAMING
- 028. COLORADO CRIMINAL CODE – CRIMES INVOLVING DISLOYALTY – TREASON
- 035. COLORADO CRIMINAL CODE – COLORADO ORGANIZED CRIME CONTROL ACT – RICO
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- Stages Of A Criminal Case
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- Deciding To Enter a Not Guilty Plea – Understanding The Big Picture In Colorado Criminal Cases
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- Entering A Guilty Plea In Colorado – The Different Ways To Plead Guilty – How It All Works
- Criminal System Flowchart
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- Questions and Answers About Colorado Probation Programs
- Colorado Criminal Law – Attacking a Colorado Criminal Arrest Warrant – A “Franks” Challenge and Hearing To Dismiss The Charges
- Colorado Criminal Law – Parties to a Phone Call – Phone Calls Made From a Jail or Prison
- Colorado Criminal Law – Extension of the Period of Probation Beyond The Original Sentence
- Colorado Criminal Law – The Rules of Discovery in Colorado – Getting The Information You Need To Defend Your Clients
- Pretrial Investigation Phase Explored
- Colorado Active Warrants
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- Your Miranda Rights I
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- Anatomy of a Colorado Trial
- Jury Deliberations: Why Jurors Are Instructed to Wait Until ALL of the Evidence Is In
- Mistrials in Colorado
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- Colorado Criminal Law – The Basics
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- Colorado Criminal Law – Understanding Colorado’s Identity Theft Laws
- FAQ: The Changing Face of Probable Cause for Search Warrants in Colorado
- Colorado Criminal Law: Governors Power to Communte Sentences
- Colorado Criminal Law – A Case to Assist in Understanding the Affirmative Defense of Duress in a Case of Vehicular Eluding
- Colorado Criminal Law: Understanding the Attorney Client Relationship – A Primer | Colorado Criminal Defense Lawyer
- Understanding False Confessions and the Impacy of Psychological or Forensic Interrogations
- Colorado Criminal Law and Procedure – Understanding False Confessions and the Impact of Psychological or Forensic Interrogations
- Colorado Criminal Law – The Law of Self Defense and Multiple Assailants – Attackers
- Colorado Criminal Law – Understanding Psychiatric Evaluations in the Emergency Room and Colorado Involuntary Treatment Laws
- Developing A Criminal Case Defense Theory To Colorado Criminal Charges – Winning At Trial
- Colorado Criminal Law – The Impact Of A Criminal Case On A Colorado Medical Professional’s License
- Colorado Criminal Law – How Anger At A Witness Can Quickly Escalate Into A Felony Charge
- Have There Been Changes in the Rights of Victims?
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- Arrested: What Now?
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- FAQ: Colorado Governor’s Pardon: A Long Shot Alternative to Colorado’s Harsh Expungement Laws: Part I
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Polygraph Tests: The Lie Detector
Learn how polygraph tests work, as well as what supporters and detractors have to say about them.
See also Justice by Machine: Living with Lie Detector Tests
The theory underlying a lie detector test — or a polygraph test, in more scientific terms — is that lying is stressful, and that this stress can be measured and recorded on a polygraph machine. Lie detectors are called polygraphs because the test consists of simultaneously monitoring several of the suspect’s physiological functions — breathing, pulse and galvanic skin response — and printing out the results on graph paper. This printout shows exactly when, during the questioning period, the biologic responses occurred. If the period of greatest biologic reaction lines up with the key questions on the graph paper — the questions that would implicate the person as being involved with the crime — stress is presumed. And along with this presumption of stress comes a second presumption — that the stress indicates a lie.
Supporters of lie detector tests claim that the test is reliable because:
- very few people can control all three physiological functions at the same time, and
- polygraph examiners run preexamination tests on the suspect that enable the examiners to measure that individual’s reaction to telling a lie.
On the other hand, critics of polygraph testing argue that:
- many subjects can indeed conceal stress even when they are aware that they are lying, and
- there is no reliable way to distinguish an individual’s stress generated by the test and the stress generated by a particular lie.
The courts in most jurisdictions doubt the reliability of lie detector tests and refuse to admit the results into evidence. Some states do admit the results of polygraph tests at trial if the prosecution and defendant agree prior to the test that its results will be admissible.
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