randall cook

polygraph examiner

DIVERSIFIED investigations, llc is fortunate to have an experienced polygraphist as a ready resource to clients.  Randy has completed more than 400 hours of polygraph-related training, since graduating from the basic course in May 1988.

After serving nine years as a patrol officer for the City of Appleton Police Department, Randy was promoted to detective.  As a detective, his primary responsibilities included death investigations, fire investigations, and administering polygraph examinations.

Randy has been a member of several professional organizations, including American Association of Police Polygraphists, Wisconsin Polygraph Association, Wisconsin Association of Homicide Investigators, Crisis Negotiators Association of Wisconsin, National Tactical Officers Association, and International Association of Arson Investigators.  He has attended numerous professional schools including the National Fire Academy and Canadian Mounted Police Polygraph training.  Randy has also participated in a three-week exchange program in 1996 with the Kurgan Police Department in Kurgan, Russia.

 
 

Specific Training & Experience:

2007 June The Business News "People"
June Marketplace Magazine "People Watch"
March Hired by DIVERSIFIED investigations, llc
2005 -2003 3 appearances on "America's Most Wanted" as lead investigator for Appleton homicide
2004 May Wisconsin Polygraph Association seminar (8 hours) - Milwaukee, WI
2003 December Layered Voice Analysis (40 hours) - IQ Tech, Waupun, WI
May American Association of Polygraph conference (32 hours) - Hilton Head, SC
January Psychological Profiling (40 hours) - Joliet, IL Police Department
2002 September Wisconsin Polygraph Association seminar (7 hours) - Brookfield, WI
2001 September Advanced Interviewing (8 hours) - Appleton, WI Police Department
May American Association of Polygraph conference (40 hours) - Cleveland, OH
1999 December Computerized Polygraph training (24 hours) - Lafayette, IN
1998 September Holmes' Interrogation Seminar (7 hours) - Milwaukee, WI
May American Association of Polygraph conference (40 hours) - Reno, NV
1997 April American Association of Polygraph conference (40 hours) - Albuquerque, NM
March Scientific Content Analysis training (32 hours) - Appleton, WI Police Department
1995 June American Association of Polygraph conference (40 hours) - Fort Mitchell, KY
1993 October American Association of Polygraph conference - Houston, TX
June American Association of Polygraph conference (40 hours) - Fort Walton, FL
1992 July American Association of Polygraph conference (32 hours) - Colorado Springs, CO
1991 September Surveillance Techniques training (24 hours) - Appleton, WI Police Department
March Wisconsin Polygraph Association seminar (8 hours) - Green Bay, WI
1989 October Polygraph Seminar (16 hours) - Ottawa, Canada
1988 October Polygraph - Reid Technique (3 hours) - Appleton, WI Police Department
June Post-Polygraph training (80 hours) - Eau Claire, WI Police Department
May Polygraph - Basic Course (560 hours) - Ottawa, Canada
1987 March Surveillance Equipment training (24 hours) - Green Bay, WI
March Interrogation Seminar (8 hours) - Oconomowoc, WI
1983 December Interviewing & Interrogation (16 hours) - Milwaukee Area Technical College