28 Years with the Pierce County Sheriff's Department..........Retired 1996
Basic Polygraph Course...........................................................................1981
FBI Advance Polygraph Course..............................................................1986

Full Member American Polygraph Association
Full Member Northwest Polygraph Examiners Association
Certified Examiner
Proficient in all types of examinations

polyu@ix.netcom.com

John Clark Polygraph Service

P.O. Box 183

Tacoma, WA 98401-0183

Business: 253-843-2514  •  Fax: 253-843-2514

Pager: 253-415-1620

Other helpful links:

Special Investigations of Washington
Serving the legal community of Western Washington