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examiner utilizes an established testing procedure, the accuracy of the decisions made by polygraph examiners is generally in the range of 85-95% for specific issue investigations. (On the last page you will find some of the references which support this statement.) . POLYGRAPH ISSUES AND ANSWERS
The term "polygraph" literally means "many writings." The name refers to the manner in which selected physiological activities are simultaneously recorded. Polygraph examiners may use conventional instruments, sometimes referred to as analog instruments, or computerized polygraph instruments. It is important to understand what a polygraph examination entails. A polygraph instrument will collect physiological data from at least three systems in the human body. Convoluted rubber tubes that are placed over the examinee's chest and abdominal area will record respiratory activity. Two small metal plates, attached to the fingers, will record sweat gland activity, and a blood pressure cuff, or similar device will record cardiovascular activity. . Who uses Polygraph Examinations? The three segments of society that use the polygraph include law enforcement agencies, the legal community, and the private sector. They are further described as follows:
Enforcement Agencies, and Local Law Enforcement Agencies such as Police and Sheriff's Departments. |
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The Lowdown |
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Polygraphs are used routinely by law enforcement, the FBI, CIA, Secret Service, and the Department of Defense. |
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To contact us: |
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Phone: 903-597-3546 Fax: 000-000-0000 Email: [email protected] |
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Just how many hoops does it take to prove innocence? |
