All Polygraph Examinations and Private Investigations differ from each other in some way. There is not any way to properly address every possible question you ...
Retired U.S. Army polygraph examiner in Maryland providing computerized polygraph testing for federal, law enforcement, legal, and domestic issues. Full Member ...
William (Bill) D. Herrick Sole Proprietor Located on Washington's North Olympic Peninsula ( 2 hours from Seattle ) My law enforcement career began in 1972 in ...