Bunkie Police officer receives national certification - KALB-TV News Channel 5 & CBS 2

Bunkie Police officer receives national certification

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BUNKIE, La. (KALB News Channel 5) - The Bunkie Police Department announced today that Detective Chad Jeansonne has recently been awarded certification and has been recognized as a national Expert Examiner by the National Association of Computer Voice Stress Analysts.

Detective Jeansonne joins an elite group of only five examiners in the entire United States meeting the educational and professional criteria for this certification in the profession of lie detection.

Voice Stress Analysis is a computerized method of lie detection developed in 1970 by intelligence and lie detection experts of the U.S. Army.

This method of lie detection measures the psycho-physiological changes in a person by monitoring frequency changes in the human voice.

A recent nineteen year study entitled "Long Term Field Evaluation of Voice Stress Analysis", conducted by Criminologist James Chapman, and published in the 2012 Journal of Criminalistics and Court Experience ,validated the accuracy of the technology greater than 95%.

This technology is slowly replacing the older polygraph systems used for many years by police agencies.  

Utilizing this technology Detective Jeansonne has assisted numerous law enforcement agencies requesting assistance in determining truth or deception including Louisiana State Police, District Attorneys Offices, Child Protection Services, Attorneys, Sheriff's Departments and numerous other agencies where determining the truth was critical in an investigation.

In 2013 the Evangeline District Attorneys Office recognized Detective Jeansonne  with a letter of appreciation for his assistance in utilizing the equipment and testing a subject who reported being kidnapped and brutally raped.

Jeansonne's examination determined the allegation was false and the suspect was immediately released from jail and exonerated of all criminal charges.

Days later the reported victim recanted and admitted to falsifying the allegation. The accused subject was saved from a life in prison.

Currently, Detective Jeansonne is conducting a statistical study with research scientist Dr Marigo Stathis of New York on Voice Stress Analysis examinations he has conducted conducted since 2007.  

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