Private Investigators Expert Witnesses

Forensic & Laboratory Testing Expert Witness Listings

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.

Expert Witnesses

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Featured Experts
Charles P. Stephenson (Orion Security Inc. )
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 ›

James Ellis, CFE, PI (JKE Texas Private Investigations)
Jim Ellis is a retired FBI Agent with more than 30 years of complex investigation experience. He is located in Texas but is available nationwide. Mr. Ellis is also a Certified Fraud Examiner and a Private Investigator. His areas of expertise include... Learn More ›
Dr. / Professor J. Rasty, Ph.D., PE, CFEI, CFII, President & CEO (Real World Forensic Engineering)
Location: Texas
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...
Frank Johnson (System Engineering And Laboratories (SEAL))
Location: Texas
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...
Clement Mesavage (MIDSTREAM FARM LLC / Clem@usaclem.com)
Location: Virginia
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...
Vincent A. Ettari, P.E. (Vincent A. Ettari, P.E., P.C.)
Location: New York
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,...
John E. Kelly III (Kerberos Solutions, LLC)
Location: California
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...
Michael P Gervais (Silent Warrior Investigations(R))
Location: California
Areas of Expertise: Silent Warrior Investigations® is a licensed and insured private investigation business located in Southern California. Our military and law enforcement trained investigator have the knowledge and training...
Steven Schneider (Schneider Engineering, PLLC)
Location: New York
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...
Robert A. Gardner, CPP
Location: Multiple Locations
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....
Anthony Racioppo (East Coast Forensics Corp)
Location: New York
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...
Robert R. Pusins (Police Practices and Procedures Experts)
Location: Florida
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...
Donald J. Decker, CPP (Exigent Group Limited)
Location: Multiple Locations
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...
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...
Lloyd Young, APS, LPI (SECURAC, INC)
Location: Texas
Areas of Expertise: Mr. Young is an alarm technician currently practicing in the field. He is a Fire Alarm Planning Superintendent (APS), a Licensed Private Investigator (LPI) and an alarm systems expert. In the business...
David Gossman (Gossman Forensics)
Location: Iowa and Illinois
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,...
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,...
Grahme Fischer, P.E. (Technical Problem Solvers, Inc.)
Location: New York
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...
Brooks Rugemer (Robson Forensic Inc.)
Location: Multiple Locations
Areas of Expertise: Brooks Rugemer Commercial Trucking & Warehousing Specialist 24 Hr Contact: 717-314-5855 - brugemer@robsonforensic.com I am an experienced Trucking & Warehousing Accident & Injury Investigator....
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,...
CRAIG HUNTER (Veritas Investigative Solutions, LLC)
Location: California
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...
James S Cawood (Factor One)
Location: California
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....
Chris McConnell AIFA (Chris McConnell & Associates)
Location: California
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,...
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...
Robert J Coventry, CPP, CHS (III) (Starside Security & Investigation, Inc.)
Location: California
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...
ForensisGroup, Inc. (The Expert of Experts)
Location: Multiple Locations
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...
Richard Sanders (CipherBlade)
Location: Pennsylvania
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...
Roy G Taylor (Taylor Law Enforcement Consulting Group)
Location: North Carolina
Areas of Expertise: Current Chief of Police with over 39 years of experience in a wide range of federal, state, local and private criminal justice leadership positions. Areas of expertise include: training; use of force...
Steven Bankler, CPA, PFS, Cr.FA, CFF, CGMA
Location: Texas
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....
Todd Stefan (Setec Investigations)
Location: California
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...
R. Paul McCauley (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....
Lesnevich & Detwiler (Lesnevich & Detwiler Forensic Document and Handwriting Laboratory)
Location: Pennsylvania
Areas of Expertise: Contact us Today! 814.793.2377 | 412.430.3887 | 215.800.0120 | E-mail: info@lesnevich.com | Website: www.lesnevich.com Lesnevich & Detwiler are forensic document experts who specialize in non-destructive...
Larry F Stewart (Global Forensic Services, LLC)
Location: California
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...