Informants Expert Witnesses

Police & Penal Expert Witness Listings

You will find expert witnesses who may provide testimony on informants by clicking on the following links. Experts found on this page may consult on issues involving confidential informants and informant entrapment. These experts may provide reports and provide expert witness testimony regarding informant management, key informants, and primary informants, among other subjects.

You may limit your search for Informants expert witnesses to a specific area by selecting a state from the drop down box.

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Expert Witnesses

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Ron Martinelli (Martinelli & Associates: Justice & Forensic Consultants, Inc.)

Location: California
Areas of Expertise: Referred to by respected and experienced law enforcement and security civil and criminal attorneys as “The expert’s expert.” Representing agency defense and concerned plaintiff and criminal defense attorneys...

Tim Gravette (Gravette Consulting LLC)

Location: Louisiana
Areas of Expertise: Tim Gravette is a retired Associate Warden with the Federal Bureau of Prisons with 20 years of experience. He has worked in eight different facilities which included all security levels with two being...

Scott A. DeFoe (On-Scene Consulting Group, LLC)

Location: California
Areas of Expertise: Retired Sergeant II+1 Los Angeles Police Department Special Weapons and Tactics(SWAT). Worked numerous assignments over the past 29 years to include: SWAT, K9, Vice, Narcotics, Jail Operations, Internal...

Mr. Ronald G Janota (Expert Witness)

Location: Illinois
Areas of Expertise: Retired Lieutenant Colonel, from the Illinois State Police, Ronald Janota, has over 28 years of progressive law enforcement experience. He has written, drafted and staffed policies for one of the leading...

Fred Olivares (FRED OLIVARES, CPA/CFF, PLLC)

Location: Texas
Areas of Expertise: For over 26 years, I had the honor and privilege of being a Special Agent of the Federal Bureau of Investigation. I became a SA in 1988 and was assigned to work White Collar Crime in the San Diego Division...

Charles J. Key, Sr. (Key Associates)

Location: Virginia
Areas of Expertise: Key Associates is a group of highly competent men and women whose professional experience encompasses the entire spectrum of police related subjects. Some of their areas of expertise include: police training,...

Robert T Johnson (Law Enforcement Policy & Practices Consultant)

Location: Illinois
Areas of Expertise: Robert Johnson is a thirty-two year law enforcement veteran, retired Lieutenant Colonel from the Illinois State Police. He serves as a private consultant and expert witness regarding law enforcement policies...

Jon M Shane (Jon M. Shane Associates)

Location: New Jersey
Areas of Expertise: Dr. Shane is a retired police captain from Newark, NJ. He holds a BS, MA, and PhD in criminal justice from Rutgers University. He is currently a tenured faculty member at John Jay College of Criminal...

Chuck Drago (Drago Professional Consultants)

Location: Alaska
Areas of Expertise: Chuck Drago is a former Police Chief and plice instructor who provides consulting and expert witness services for both plaintiff and defense attorneys in a variety of police practices including use of...

Consolidated Consultants

Location: Multiple Locations
Areas of Expertise: Consolidated Consultants (CCc) continues to deliver high quality expert witness and medical expert witness referrals nationwide since 1995. CCc is the only referral service where you can view the full,...

Stan Kephart (Kephart Consulting, LLC)

Location: Multiple Locations
Areas of Expertise: Unrivaled qualifications in Police and Security Best Practices as an Olympic Games Security Administrator, Retired Police Chief, Probation Chief, & Concert Public Safety Director. Qualified in Large Public...

R. Paul McCauley, FACFE (Criminologist)

Location: Pennsylvania
Areas of Expertise: Specialist to assist plaintiff and defense attorneys in police, security, and corrections litigation. Fellow American College of Forensic Examiners and full-time (1973-2010) university professor of criminology....

Joseph A Pollini (Police Expert, Inc.)

Location: New York
Areas of Expertise: I am a retired Lieutenant Commander of the New York City Police Department, having served for more than 33 years. During my tenure with the NYPD, I have served in the ranks of police officer, detective,...

Michael Levine (Trial Consultant / Expert Witness)

Location: New York
Areas of Expertise: Michael Levine, during his now five decades of trial experience has qualified as an expert witness, for both prosecution and plaintiff as well defense, in federal and state courts in 19 states, Puerto...