Surveillance Expert Witnesses

Mr. Sean A Ahrens

Mr. Sean A. Ahrens is a well-known security/resilience leader who has been providing security consulting for over 22+ years. He has been instrumental in the...

Mr. Scott A. Defoe

Retired Sergeant II+1 Los Angeles Police Department Special Weapons and Tactics (SWAT). I worked numerous assignments during my 29-year law enforcement career to include: SWAT,...

Dr. Roy G Taylor

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...

Patrick S. Mccarthy

Patrick McCarthy has served in executive leadership roles for multiple Fortune 500 companies—including U.S. Bank, Cisco Systems, Inc., Fifth Third Bancorp, Capital One Financial Corp,...

Mr. Nick Barreiro

Principle Forensics is a national media forensics laboratory. We work with attorneys representing plaintiffs and defendants in civil and criminal matters in which audio, video,...

Mr. Michael Glasser

Premises Security - Physical, Electronic, Policy General Specialties: Security and Premises Liability Keywords/Search Terms: Negligent Security, CCTV, Surveillance, Lock, Access Control, Video Surveillance , Corporate...

Mr. Mark Withrow Cflc

Mr. Withrow specializes in Security and Police Practices & Procedures with a focus on Premises Liability, Hotel and Restaurant Safety, Crime Foreseeability, Negligence & Liability,...

Marcus Sprague

Marcus has over 25 years of law enforcement experience in a wide variety of assignments, including over a decade with the SWAT team, where he...

Mr. Lloyd Young

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...

Mr. Larry F Stewart

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...

Dr. Katarina R Kemper-kelly

Dr. Kemper-Kelly is a certified healthcare security and CPTED (Crime Prevention Through Environmental Design) professional with over 25 years of experience in quality, risk management,...

Mr. Joseph E Gunja

I am President and CEO of Simco Correctional Consulting LLC. My expert witness services include prison, jails and detention, and I work on both plaintiff...

Mr. John (jack) Dale

A subject matter expert in police practices and procedures since 2019. Retained in federal and state courts as part of criminal and civil proceedings to...

Mr. Jeffrey D Zwirn

Jeffrey D. Zwirn, CPP, CFPS, CFE, SET, ITFAS-I, ITFAS-II, CHPA-IV, NFPA 3000 (PS), MSYL, MBAT, SSI HALL OF FAME, President of IDS Research and Development,...

Howard Levinson

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...

Mr. Herbert Joe

Registered Patent Attorney Herbert Joe is a Board Certified Forensic Examiner with 5 degrees, including 3 science degrees (B.S., M.A., M.S. [Cybersecurity]) and 2 law...

Frank R. Vanecek

Police Practices Expert with over 38 years of law enforcement experience at city, county, state and federal level California Private Investigator and member of the...

Forensisgroup

For over 30 years, ForensisGroup has provided the nation’s top law firms, businesses, insurance companies, government entities with highly qualified expert witnesses and consultants. Experts...

Doug Kouns

Kouns is a former Special Agent and Supervisory Special Agent of the FBI. For more than 22 years he served the Bureau in the field...

Dan Smith

With over 30 years of consulting, technology leadership, and project management experience, I have successfully navigated a diverse range of industries and technologies. Industry experience...

Consolidated Consultants

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...

Mr. Christopher Darcy

As a retired Undersheriff from the Las Vegas Metropolitan Police Department (LVMPD) with over 32 years of experience, Chris is exceptionally qualified to provide an...

Mr. Charles P. Stephenson

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...

Carl D. Charles

Carl Charles is a retired Southern California police chief. He holds a Bachelor of Arts degree in Sociology with an option in Criminology and Corrections...

Alan Orlob

Alan Orlob is currently a security consultant specializing in hotel security, crisis management, and travel security. Mr. Orlob currently contracts with the U.S. Department of...

Adam Bercovici

I am a retired LAPD Lieutenant with forty years of law enforcement experience and combined security experience. I am also the former owner and CEO...