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Polygraph Operator

The Columbia Police Department Polygraph Unit consists of one (1) investigator, supervised by the Criminal Investigation Division (CID) commander, to provide support to the CID and other local, state, and federal criminal justice agencies. The polygraph examiner is specifically trained to use state-of-the-art equipment and time-tested polygraph examination techniques in order to determine the truthfulness or attempted deception of criminal suspects and witnesses. The polygraph examiner also conducts pre-employment and internal affairs polygraph examinations in order to assist with maintaining integrity throughout the City of Columbia. The polygraph operator is accredited through the Polygraph Law Enforcement Accreditation Association (PLEA), and complies with all state and federal guidelines. The Unit was one of the first in the country to complete this accreditation process. In addition, the polygraph examiner provides entry level interview and interrogation training as needed, as well as senior polygraph examiner training as requested by the National Center for Credibility Assessment. In 2015, the Polygraph Unit administered 116 polygraph examinations.

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