kmcmahon@butlersheriff.org

 Investigations Division

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The polygraph is a sophisticated instrument that measures anatomical reactions to questions.  The charts are then  interpreted by the examiner to detect deception, or to verify truth.  The polygraph has proven to be an effective tool for investigators. 

The Butler County Sheriff’s Office provides Polygraph service for other local agencies, both inside and outside of  Butler County Ohio.

In the year 2004, the Butler County Sheriff’s Office Polygraph Unit conducted 63 Polygraphs.  Of those, fifteen (15) were Criminal Investigation cases, three (3) were Internal Investigations and the remaining forty-five (45) were pre-employment polygraphs.