Private investigators (PIs) may be found by clicking on the below listed links. The private detectives found through this page may advise regarding due diligence, background investigations, and private investigations. These investigators may provide reports concerning background checks, criminal investigations, and domestic investigations. They may also provide testimony regarding information services, investigations, location services, surveillance, witness interviewing and assessment, witness location and statements, sub rosa, subrosa, private eyes, and skip traces, among other topics.
You may limit your search for Private Investigators expert witnesses to a specific area by selecting a state from the drop down box.
Mr. Stephenson is a former Police Officer, FBI Agent, FBI Police Instructor, FBI - SWAT/Firearms Instructor/Defensive Tactics Instructor and FBI National Academy Instructor. Mr. Stephenson is a certified Use of Force/Firearm's Instructor for the State...
Learn More ›
Jim Ellis is a retired FBI Agent with more than 33 years of complex investigation experience. He is located in Texas but is available nationwide. Mr. Ellis is a Certified Fraud Examiner, FINRA Arbitrator, and a Private Investigator. His areas of expertise...
Learn More ›
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....
Areas of Expertise:
Mr. Robert “Bobby” Dean is a well-known, highly regarded and highly respected Homicide Investigator within the Southern California law enforcement community. He achieved a reputation as one of the most...
Areas of Expertise:
Setec Investigations offers unparalleled expertise in computer forensics and electronic discovery, providing highly personalized, case-specific forensic analysis and litigation support services to assist...
Areas of Expertise:
Vincent A. Ettari, P.E., P.C. serves New York City & the counties of Westchester, Dutchess, Putnam, Orange, Rockland, Ulster, Suffolk (Long Island), Nassau, Bronx (N.Y.), Queens, Brooklyn / Kings County,...
Areas of Expertise:
CipherBlade is a team of experienced and credentialed experts and investigators for all matters involving cryptocurrency, bitcoin and blockchain technology. We are available to testify, audit, track, investigate...
Areas of Expertise:
Beth Mohr has over 30 years of investigative and law enforcement experience, including investigating allegations of police misconduct and civil rights violations. She is neutral, fair, and her opinions...
Areas of Expertise:
Motor Vehicle Accident Reconstruction and Forensic Engineering: Mr. Grahme Fischer has over 40 years of experience practicing various aspects of mechanical and forensic engineering. He has conducted...
Areas of Expertise:
Brooks is a Trucking and Warehousing expert, experienced in accident and injury investigations. He has worked in the Transportation Industry since 1983. In 1994, after 13 years as a professional truck...
Areas of Expertise:
Dr. Cawood is President of Factor One which is a California based corporation specializing in violence risk assessment, threat assessment, behavioral analysis, security consulting, and investigations....
Areas of Expertise:
For over 20 years, ForensisGroup has provided the nation’s top law firms, insurance agencies, government entities and many other industries with highly qualified expert witnesses and consultants. Experts...
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,...
Areas of Expertise:
Use of Force, Security Procedure and Security Management Expert Mr. Robert Coventry, CPP is Board Certified by the American Society for Industrial Security in security management and has been a Certified...
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,...
Areas of Expertise:
Chris McConnell AIFA® is an independent expert whose portfolio includes but is not limited to the securities, banking and financial services industry regulatory and internal compliance, custom and practice,...
Areas of Expertise:
Robert Pusins is a retired (2018) law enforcement professional with over 35 years of progressive law enforcement experience including over 30 years of service with the Fort Lauderdale Police Department...
Areas of Expertise:
Mr. Kelly is a Forensic Engineering Investigator with over 50 years of hands on experience with Diesel, Gasoline, Gas Turbine and Alternatively fueled engines and ancillary equipment. Mr. Kelly has expertise...
Areas of Expertise:
Mr. Hunter has over 40 years of Law Enforcement experience including Chief positions at two major California agencies. As such, he has vast experience in policy and procedure development, training, use...
Areas of Expertise:
FORENSIC ENGINEERING: Schneider Engineering, PLLC started in 1988. It's Principal, Steven Schneider, P.E. has 50 years of experience in the traffic accident and engineering fields. They specialize in...
Areas of Expertise:
Anthony Racioppo has been investigating motor vehicle accidents with the New York City Police Department for over 25 years. He has been assigned to the department's Highway Patrol Unit for 19 years where...
Areas of Expertise:
Don is a trained and experienced premises security and police practices professional with approximately 45 years of experience. His broad expertise comes from his experience in all areas of security and...
Areas of Expertise:
Oil, Gas, Chemical INFRASTRUCTURE Emphasis. Bulk Liquid Terminal Consultant and pipeline System Consultant for over 40 years; experience at over 1,000 aboveground tank terminals and pipelne systems nationwide...
Areas of Expertise:
Global Forensic Services, LLC (formerly Stewart Forensic Consultants, LLC) is an independent laboratory and consulting firm providing investigation, forensic and litigation support to individuals, companies...
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...
Areas of Expertise:
"Expert Professional Not Professional Expert" - I am a Board Certified security professional with multi-state security consultant, private patrol and private investigator "Qualified Manager" licenses....
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...
Areas of Expertise:
Established in 1981, System Engineering And Laboratories (SEAL) specializes in providing multi-disciplined engineering and scientific consulting, product testing, safety and forensic engineering (failure...
Areas of Expertise:
Certified in Financial Forensics – selected by the U.S. Senate as its only investigative accountant for Whitewater. Reviewed documents related to the audit of Swiss banks for holocaust victims’ assets....
Areas of Expertise:
Since 1988, Real-World Forensic Engineering, LLC (“RWFE”) has provided engineering services to industries and government labs, as well as litigation support to both plaintiff and defense attorneys practicing...
Areas of Expertise:
Gossman Forensics provides expert technical assistance to counsel in litigation involving fires and explosions, chemical and environmental forensics, hazardous waste, hazardous materials, regulatory compliance,...
Areas of Expertise:
Current Chief of Police with over 40 years of experience in a wide range of federal, state, local, and private criminal justice leadership positions. Areas of expertise include use of force & deadly force;...