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.
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Expert Witnesses
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Featured Experts
Charles P. Stephenson (The Orion Group )
Mr.Stephenson is a former FBI Agent,FBI Police Instructor,FBI - SWAT/Firearms Instructor/Defensive Tactics Instructor, FBI Flight Instructor,FBI National Academy Instructor. Mr. Stephenson is certified by Taser International as a Taser instructor for...
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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...
Thomas J Lekan, CPP (Thomas Lekan Security Consulting)
Location:
Ohio
Areas of Expertise:
Mr. Lekan is experienced and highly competent in matters of premise security and liability. He has over thirty years of experience in security and ten years in public law enforcement. He is retained as...
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...
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....
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 45 years of experience in the traffic engineering field. They specialize in forensic traffic...
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,...
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,...
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....
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....
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...
Professor Gregory Gilbertson (Expert Witness - Private Investigator)
Location:
Washington
Areas of Expertise:
Moral authority matters in the courtroom. Professor Gregory Gilbertson has earned the respect of judges, prosecutors, and attorneys alike for his lifetime of public service. He is a tenured professor of...
Clement Mesavage ("Clem") (MIDSTREAM FARM LLC / usaclem@erols.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...
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....
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...
Robert R. Pusins (Robert R. Pusins & Associates, Inc. )
Location:
Florida
Areas of Expertise:
Robert Pusins is a current law enforcement professional as an Executive Director for the Broward Sheriff's Office (FL). He has over 35 years of progressive law enforcement experience including supervisory,...
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,...
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,...
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...
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...
Donna L. Owen (National & International Law Enforcement Consultant)
Location:
Texas
Areas of Expertise:
Donna Owen, a former FBI Special Agent for 28 years, now utilizes her training and experience to assist corporations, insurance professionals, and attorneys with investigations, special events security,...
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...
Lance Watt, M.E. (Robson Forensic Inc.)
Location:
Multiple Locations
Areas of Expertise:
Lance Watt
Bus and Truck Expert
Lance’s 45 years of transportation experience involves everything from aircraft to “stock cars” to triple tractor trailer combinations. His expertise includes vehicle...
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
With over 55 years of experience specializing in the examination and analysis...
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...
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...
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...
James F. McMullen (The McMullen Company, Inc.)
Location:
California
Areas of Expertise:
Fire expert James F. McMullen is the retired Chief California State Fire Marshal. He has testified over 100 times in court or deposition, with 40 years of experience in fire department operations, fire...
Donald J. Decker, CPP (Robson Forensic Inc.)
Location:
Multiple Locations
Areas of Expertise:
Police Practices & Procedures, Premises Security Expert
Don is a trained and experienced police and security professional with more than 34 years of experience. His comprehensive expertise comes from...
Adam Bercovici (Justice Solutions Group)
Location:
California
Areas of Expertise:
I am a retired LAPD Lieutenant with thirty years of Law Enforcement experience. Currently I am available for police defense, security operations, criminal investigation analysis, tactical analysis and...
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....
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...
Howard Levinson, CPP (Expert Security Consulting)
Location:
Massachusetts
Areas of Expertise:
Howard began his security career in 1979 and has accumulated a diverse and impressive background as he has become one of the nations best known security experts. He is based in Massachusetts but available...
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...
David W. Heldenbrand, P.E. (Bison Engineering, Inc.)
Location:
Texas
Areas of Expertise:
Legal professionals who require a high degree of excellence and integrity turn to the forensic engineers at Bison to scientifically conduct an investigation relating to a fire or explosion, electrical...
Joseph DeMaria, Ph.D., CFC, CSHM, CHCM, DACFEI, MIIRSM (Americana Safety Associates, LLC)
Location:
Nevada
Areas of Expertise:
Americana Safety assists plaintiff & defense attorneys win their clients' claims.
OUR ADVANTAGES
We are the only nationwide firm that can provide plaintiff and defense attorneys with experienced...
James A. Williams, Ph.D., CFE (J.A. Williams, LLC)
Location:
Multiple Locations
Areas of Expertise:
Certified under the Daubert Challenges for Police Policy, Procedure and Training, specializing in Wrongful Death & Excessive Force. Retired DEA Chief of Organized Crime Task Forces Worldwide. Associate Member of ABA. Adjunct Professor for Law and Justice Studies.
Private Investigators Expert Witnesses by State
Alaska, Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, Wyoming