POLICE Magazine

JAN 2019

Magazine for police and law enforcement

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46 POLICE JANUARY 2019 other. e strength of this technique is that collateral issues are addressed. e weakness is that the results are less reliable. Here's an example. Paul Phillips is an executive with an accounting firm. One week ago today Phillips arrived for work at 8:30 a.m. He parked his white BMW in the parking lot in front of his office. When he left the building at 11:30 for lunch, his car was not in the lot. He has reported the theft to the police. Phillips holds clear title to the car. e suspect in this auto theft is Max- well Smart, 20. He is employed as a sales clerk with Parts-Are-Us, a retail outlet for automotive parts and equipment. On the basis of information provided by a confidential informant, Smart has been interviewed by police investiga- tors. He has denied stealing the white BMW and is willing to take a polygraph interview. He has not been arrested and is not in custody. Relevant questions for this exam in- clude: "Have you ever been in that white BMW?" "Have you ever driven that white BMW?" "Do you know for sure who stole that white BMW?" 4. IT'S NOT A MACHINE e device employed in any polygraph interview is not a machine; it's an in- strument. Machines do work; instru- ments record events. 5. CONTROLLED STIMULI Instruments used in polygraph inter- views record human psychophysiolo- gy responding to carefully controlled stimuli such as carefully constructed test questions. ese recordings are evaluated by an examiner who, by vir- tue of his or her training, education, and experience, is qualified to form an opinion. 6. NOT A LIE DETECTOR e "polygraph machine does not de- tect lies." at responsibility falls to the qualified polygraph examiner, not a machine or instrument. 7. PREVENTING MISTAKES More than 20 years of published poly- graph research has established the parameters a qualified examiner must Because you protect others, we protect you WoodmenLife ® is grateful for the dedication you show in your community. As a police officer, you serve unselfishly to protect others' families. We value what you do and want to help protect your family by being there when you need us most. Our products are designed to provide financial assistance to families should the unthinkable happen. In addition, we offer a $25,000 benefit 1 to the family of a member who has died in the line of duty as a First Responder. Find out more at WoodmenLife.org/first-responders 1. Member benefits are available to members. An individual becomes a member by joining our shared commitment to family, community and country, and by purchasing a WoodmenLife product. These benefits are not contractual, are subject to change and have specific eligibility requirements. CD1508 11/18 Woodmen of the World Life Insurance Society: Omaha, NE 10 Things to Know About Polygraph Exams

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