Investigation Expert Witnesses

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Investigation expert witnesses practice in a variety of fields, including criminal justice, law enforcement, corporate investigations, and private security. Some of the most common specialties among investigation expert witnesses include forensic investigations, fraud investigations, workplace investigations, digital forensics, and surveillance. They have provided opinions on the effects of investigative procedures, evidence collection, interview techniques, crime scene analysis, and investigative ethics.

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Chris Edward McGoey, CPP, ICPSView profile

ID: 6030597

Mr. Chris Edward McGoey, CPP, ICPS

Mr. Chris E. McGoey has 49 years of experience in Law Enforcement & Security with expertise in Criminology and Loss Prevention. He earned his AA in Police Science from Chabot College and his BS and MS in Criminal Justice Administration from San José State University. Today, this expert is a Certified Protection Professional by the American Society for Industrial Security, a Certified Security...

Civil and Environmental Engineering Expert Witness | TexasView profile

E-004606

Civil and Environmental Engineering Expert Witness | Texas

This expert has over 40 years of experience in engineering and construction, with more than 35 years of experience in the field of natural gas and propane incidents, pipeline construction and operation, and water and sewer systems. He is currently the president of a reputable forensic engineering and failure analysis company. His primary areas of expertise include residential, commercial and...

Jim G ZarnickView profile

ID: 6406599

Mr. Jim G Zarnick

Mr. Jim G. Zarnick has 18 years of experience as a Private Investigator. Today, he is a licensed Private Detective and holds both an Original Firearms Training License and a Firearm Control Card License in the State of Illinois. Moreover, his company is a licensed Private Investigator Firm in the State of Indiana. This expert currently serves as a Private Investigator and as the Owner of Jim...

Law Enforcement Expert Witness | MassachusettsView profile

E-007703

Law Enforcement Expert Witness | Massachusetts

This expert has over 30 years of experience in law enforcement with 20 of those years in the Drug Enforcement Administration. At the DEA, he worked in various positions including Resident Agent in Charge and Inspector. He currently owns a consulting & investigative services firm and works as a Private Investigator specializing in Consulting and Private and Executive Securities.

Gregory Robert Spelson, JDView profile

ID: 6406606

Mr. Gregory Robert Spelson, JD

Mr. Gregory R. Spelson has over three decades of experience in the Legal Field with five of those being in the field of Private Investigations. He earned his BA from the University of Illinois Urbana Champaign and his JD from the University of Illinois College of Law. Today, this expert is licensed as a Private Investigator in the state of Wisconsin and has Admission to Practice Law in the state...

Accident Investigation Expert Witness | South CarolinaView profile

E-005452

Accident Investigation Expert Witness | South Carolina

This expert's construction industry experience includes overall project management, construction safety and quality control with leading contractors, owners and government agencies. For the last 15 years, he has been President of his own firm specializing in litigation support for construction accidents and personal injury cases, claim analysis and negotiations, and resolution of contract issues....

Steam Water Hammer Investigation & Training Expert Witness | GeorgiaView profile

E-022418

Steam Water Hammer Investigation & Training Expert Witness | Georgia

This expert has more than 30 years experience investigating water heater, valving, piping, and injuries related to steam and water pressure. He earned his bachelors and masters degrees in Physics from Georgia Tech and is highly regarded in his field. He is currently the Principal of a mechanical engineering firm that investigates industrial steam accidents, provides consulting to operators of...

Automobile Investigation & Accident Reconstruction Expert Witness | FloridaView profile

E-035749

Automobile Investigation & Accident Reconstruction Expert Witness | Florida

This highly qualified expert specializes in accident reconstruction. Receiving his B.S. in mechanical engineering from the University of Florida, he has completed several training courses and certifications in safety and accident consultation. He is is a licensed professional engineer and is recognized by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR) and is a Walkway...

Forensic Fire Investigation Expert Witness | LouisianaView profile

E-035764

Forensic Fire Investigation Expert Witness | Louisiana

This expert has 25+ years of law enforcement experience, for the vast majority of which he served as a fire investigator for the Bureau of Alcohol, Tobacco, Firearms and Explosives. A certified fire investigator with both the ATF and the International Association of Arson Investigators, he has consulted for police forces in countries such as Colombia and Latvia on arson investigation practices....

Remedial Investigations and Risk Assessments Expert Witness | CaliforniaView profile

E-041732

Remedial Investigations and Risk Assessments Expert Witness | California

This expert obtained his BA in Enviromental Studies from the University of California, Santa Barbara, his MS in Environmental Studies from the University of California, Berkeley, and his Ph.D from the University of Washington. He has over twenty years experience conducting remedial investigations, risk assessments, and developing cleanup programs for sites containing petroleum hydrocarbons,...

Recreational Boating Accident Investigation & Police Procedures Expert Witness | New JerseyView profile

E-042422

Recreational Boating Accident Investigation & Police Procedures Expert Witness | New Jersey

The qualified expert is cross-trained in vessel and vehicle accident reconstruction and in homicide/criminal investigation. He has conducted more than 1,500 investigations of serious and fatal vessel and vehicle accidents, and of crimes against persons and property. He was a board member of New Jersey State Police review boards that evaluated police vehicle accidents and pursuits for compliance...

Law Enforcement & Police procedures Expert Witness | CaliforniaView profile

E-009161

Law Enforcement & Police procedures Expert Witness | California

This expert is a Criminal Justice consultant and expert witness for private and government attorneys on criminal and civil matters. He is qualified as an expert witness in federal and state courts on police procedures, tactics, firearms, and the use of force. This expert can provide formal written declarations in federal and state criminal and civil proceedings as law enforcement subject matter...

DEA Investigation Expert Witness | PennsylvaniaView profile

E-137597

DEA Investigation Expert Witness | Pennsylvania

This expert has served the Drug Enforcement Administration for 21 years before entering the private sector. He gained a BA in law enforcement administration from Youngstown State University and was a state trooper for the Maryland State Police for 7 years before joining the DEA. At the DEA, he investigated international and domestic crime organizations, seizing millions of dollars in drug-related...

Security Investigation and Aviation Security Expert Witness | TexasView profile

E-089778

Security Investigation and Aviation Security Expert Witness | Texas

This expert has spent more than three decades in the federal government, filling critical national security roles domestically and on behalf of the U.S. government overseas. He previously served as Assistant Administrator of TSA Security Operations, overseeing 450 airports and a $3.7 billion dollar budget. During his tenure, he successfully led a reorganization of the Office of Security...

Wildland Fire Investigation Expert Witness | ArizonaView profile

E-095084

Wildland Fire Investigation Expert Witness | Arizona

This expert has over 20 years of experience in wildland fire investigation, suppression, prescribed fire, and training. He is currently the President/Owner of a private wildfire investigation, consulting, and training firm. Previously, he served as a Special Agent with the US Forest Service, specializing in wildland fire investigation and performing as the national wildland fire investigation...

Law Enforcement and Private Investigations Expert Witness | MarylandView profile

E-122810

Law Enforcement and Private Investigations Expert Witness | Maryland

This highly qualified professional has over 40 years of law enforcement experience. He has been conducting law enforcement training since 1977 with an emphasis on Street Gangs and Organized Crime and was assigned as training deputy inside the Hall of Justice Jail, while employed with the Los Angeles County Sheriff’s Department. Formerly, he held roles as Investigator/ Extradition Officer at...

Train Operations and Arbitration Expert Witness |View profile

E-118827

Train Operations and Arbitration Expert Witness |

This highly experienced train operations and investigations expert has nearly 30 years of experience in his field. He has experience supervising locomotive engineers, handling efficiency checks, analyzing event recorders, and overseeing investigations. He earned his diploma certification in business management studies at Loyalist College and has a locomotive engineer certification from the...

Alcohol Testing and Related Investigations Expert Witness | IllinoisView profile

E-148372

Alcohol Testing and Related Investigations Expert Witness | Illinois

This highly qualified expert has a BS from the University of Illinois, a MPA from Governors State University, and a PhD from Walden University (residency performed at Indiana University). Dr. Henson is an independent drug and alcohol testing consultant, providing drug and alcohol testing evaluations, research, and expert testimony. He has been qualified as an expert in field sobriety testing,...

Fire and Explosion Investigation Expert Witness | FloridaView profile

E-062791

Fire and Explosion Investigation Expert Witness | Florida

This expert is currently a fire and explosion investigator and analyst at a top forensic firm in the Southeast. He is a highly qualified fire and explosion expert and has extensive credentials, including: multiple certifications, fire and explosion research, many published articles and papers, presentations, teaching, years of experience including hundreds of fire and explosion investigations,...

Cell Phone Investigation Expert Witness | ArizonaView profile

E-149483

Cell Phone Investigation Expert Witness | Arizona

This expert has over 20 years of experience in the field of digital forensics. She attended the Arizona Law Enforcement Academy, and served the Phoenix Police Department as a Digital Mobile Forensic Detective. While working there, she worked in several different units, including the Home Invasion Kidnapping Enforcement Unit, the Intelligence Action Center, and the Digital Forensic Investigation...

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