Private Examiners


Please feel free to contact any of the following private examiners for additional information/questions. We look forward to assisting you, or a member of your staff regarding your interest in conducting professional polygraph examinations.


Lee Boyd
Boyd Polygraph Service
P.O. Box 29426
St. Louis, MO 63126
Phone: (314) 706-7087
lbpoly@sbcglobal.net
James (Ron) Davis
Davis & Associates Polygraph, Inc.
P.O. Box 2307
Emporia, KS 66801-2073
Phone: (620) 344-3169
polygraphks@Gmail.com
www.polygraphks.com
Kevin L. Garrison
Protective & Investigative Services
Box 460493
St. Louis, MO 63146
Phone: (314) 324-9343
Klg00@me.com
Michael T. Hanna
Michael T. Hanna Polygraph
14209 Seward St.
Omaha, NE 68154
Phone: (402) 250-0217
Fax: (402) 333-1214
mthanna@tconl.com
John D. Harvill
Personnel Research, Inc.
300 South Jeffereson, Suite 212
Springfield, MO 65806
Phone: (417) 869-0317
sandraharvill@yahoo.com
Dennis L. Horton
St. Louis, MO Police Dept., Retired
St Louis, MO
Phone: (573) 436-8000
dlhorton@socket.net
John M. Hurlock
Lee's Summit Police Department (Retired)
233 SW Greenwich Dr. #111
Lee's Summit, MO 64082
Phone: (816) 739-9951
jmhurlock@aol.com
www.kansascitypolygraph.com
Alan Jennerich
F.B.I. (Retired)
P.O. Box 12210
Parkville, MO 64152
Phone: (816) 935-6854
ajennerich@hotmail.com
www.alanjennerichpolygraph.com
Kirby L. Johnson
Missouri State Highway Patrol (Retired)
P.O. Box 34
Pomona, MO 65789
Phone: (417) 257-1650
kirbyj@centurytel.net
George F. Knowles
Missouri State Highway Patrol
PO Box 568
Jefferson City, MO 65102-0568
Phone: (573) 526-6301
George.Knowles@mshp.dps.mo.gov
Michael G. Mann
Overland Park, KS Police Department
12400 Foster
Overland Park, KS 66213
Phone: (913) 327-6908
mgmann@opkansas.org
Derek Piasecki
St Charles City Police Department
1781 Zumbehl Road
St Charles, MO 63303
Phone: (314) 560-3378
derek@piaseckipolygraph.com
www.piaseckipolygraph.com
Bruce K. Powers
Haysville Kansas Police Department
200 West Grand
Haysville, KS 67060
Phone: (316) 529-5911
Fax: (316) 529-5910
bpowers@haysville-ks.com
Robert F. Riggs
Ameriguard, Inc.
8500 Ward Parkway, Suite 300
Kansas City, MO 64114
Phone: (816) 444-6886
Fax: (816) 444-7124
Robert.Riggs@ameriguard.org
www.ameriguard.org
Jason D. Smith
Rolla, Missouri Police Department
1007 North Elm Street
Rolla, MO 65401
Phone: (573) 364-1213
Fax: (573) 364-6346
jdsmith@rollacity.org
Donnie O. Smith
Smith Consulting and Polygraph Services
Rolla, MO 65401
Phone: (573) 364-4345
dosmith@fidnet.com
Edward L. Sneed
Forensic Polygraph Services, LLC
P.O. Box 297
Centralia, MO 65240
Phone: (573) 682-4909
ed000@centurytel.net
Robert T. Stover
Metro Investigations, Inc.
P.O. Box 28573
Gladstone, MO 64188
Phone: (816) 550-1291
Fax: (816) 454-7103
rstover1@kc.rr.com
Woody Tweed
California Highway Patrol (Retired)
Linn Creek, MO 65052
Phone: (573) 480-5443
CHPWoody@msn.com
Larry D. Wolters
Missouri State Highway Patrol (Retired)
326 Jace Road
Billings, MO 65610
Phone: (417) 880-0288
lwolters9@gmail.com
Sam Yarbrough
Yarbrough Polygraph Services, LLC
P.O. Box 510088
St. Louis, MO 63151-0088
Phone: (314) 799-1994
yarpolyserv@sbcglobal.net