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Voice Stress Analysis in Court: Judge Allows Videotaped Confession in Child Molestation Case

Voice Stress Analysis in Court: Judge Allows Videotaped Confession in Child Molestation Case

by admin | Jul 26, 2017 | Case studies, Court Cases, Sexual assault

Locking up sex offenders who prey on children is one of the most gratifying resolutions for police officers. The key is getting a confession from the perpetrator, but even once a confession is obtained, it can be challenging to convince a judge to allow admission of...
CVSA Exam of Sexual Assault Suspect Helps Resolve Arson Cases in Pennsylvania

CVSA Exam of Sexual Assault Suspect Helps Resolve Arson Cases in Pennsylvania

by admin | Jul 17, 2017 | Arson, Case studies, Sexual assault

Either getting a confession from a guilty individual or releasing an innocent person is the ultimate goal in the police interview room, but the interview process can be challenging. Most lawyers tell suspects not to talk or provide minimal responses without...
A Guide to Formulating Interview Questions for a Computer Voice Stress Analysis Exam

A Guide to Formulating Interview Questions for a Computer Voice Stress Analysis Exam

by admin | Jul 13, 2017 | Interviewing and Interrogation

As a law enforcement officer, your main role when using Computer Voice Stress Analysis (CVSA) technology for an investigation is to ask the questions during the examination. You will also probably be involved with generating a list of potential questions prior to the...
Cold Case Murder in Alabama Solved by Local Law Enforcement’s Use of the CVSA

Cold Case Murder in Alabama Solved by Local Law Enforcement’s Use of the CVSA

by admin | Jul 11, 2017 | Case studies, Murders

If a murder isn’t solved within the first few days, it becomes increasingly more difficult to resolve as time goes on. Potential witnesses or suspects can disappear or even die. If re-interviewed, they may forget important details. Unless DNA is collected at the crime...

Scientific Study Summary: Chapman, James. “Long-term Retrospective Field Evaluation Of Voice Stress Analysis In A Criminal Justice Setting.” 2012

by admin | Jul 7, 2017 | Research and Scientific Studies

How Did the Chapman Study Demonstrate Voice Stress Analysis Validity for Law Enforcement? In 2012, Professor Emeritus James Chapman conducted a retrospective analysis regarding the use of voice stress analysis (VSA) in law enforcement settings. As the Former Director...
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