The Kalamazoo County Sheriff's Office provides polygraph examination services to all Kalamazoo County law enforcement agencies. Polygraph examinations are generally utilized in criminal investigations to clear or implicate suspects and verify witness/codefendant statements. Polygraph assists investigators by eliminating innocent parties and allowing them to focus their investigation.

The Kalamazoo County Sheriff's Office does not perform polygraph examinations for non-law enforcement or private purposes.