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Security Expert Witness Gregory Lilyhorn

Gregory D. Lilyhorn
5820 Alpha Rd., Suite A
Dallas TX 75240
phone: 214-396-4411
Gregory D. Lilyhorn, BSCrJ, CFC, CCI, SSI, CAS, CHS-III, has an extensive and distinguished history of service and participation in Law Enforcement, Corporate Security, Emergency Management, education and consulting both locally in Texas and nationally with over 40 years of experience with significant expertise and practical experience in a number of critical business and government sectors.

Litigation Support - with his years of practical Law Enforcement and Security experience, Gregory Lilyhorn has acquired the necessary skill set as well as the business acumen to successfully assist both Plaintiff and Defense. As a trial consultant, he has reviewed and commented on civil and criminal matters involving lengthy reviews of security and emergency response practices and is part of an elite cadre of professionals being a court-qualified expert and a Certified Forensic Consultant.

Mr. Lilyhorn is also accredited in Security Risk Analysis and Assessment Management being one of a small group of professionals who have been awarded accreditation by both the leading national threat and risk assessment methodology groups in the United States, the National Domestic Preparedness Coalition and the National Domestic Preparedness Consortium. He has experience with Depositions, Trial, Mediation, and Arbitration Testimony.

Areas of Expertise:
  • Premises Liability
  • Inadequate Security
  • Negligent Security
  • Crime Foreseeability
  • Private Security Guard Training
  • Private Security Guard Conduct
  • Industry Standards of Care
  • Security Adequacy
  • Corporate Security Background - Until recently, Mr. Lilyhorn served in corporate security for Tenet Healthcare Corp., one of the nation's largest for-profit healthcare organizations, where he was responsible for corporate security strategy, programs, and support of operations. Some of his most pressing duties were in the protection of newborn infants from kidnapping and in fraud, drug and identity/records theft investigations. While employed with the Tenet, he was also involved in massive evacuation operations for the 2008 Houston Texas Hurricane Ike and in the 2005 Hurricane Katrina and Rita disaster response operations for five seriously damaged hospitals.

    Law Enforcement Background - Mr. Lilyhorn has also had a successful law enforcement career covering thirty years of practical state and federal law enforcement experience, finishing out his career as a Senior Federal Law Enforcement & Security Specialist with the U.S. Department of Homeland Security, Office of Federal Protective Services being honorably retired after twenty years of federal law enforcement service in 2004.

    Military Background - Gregory is a proud patriot and decorated veteran having served in the United States Air Force Security Police in Southeast Asia being honorably discharged in 1974 after being involved in a military police action.

    View Gregory Lilyhorn's Consulting Profile.