Correction Officer Expert Witnesses
Correction officer expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on correction officer. The correction officer expert witness listings on this page are typically from fields/areas of expertise such as: Jails & Prisons and Security.
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Marcello R. Kettrles, CPP, PSP, CPD, CCE
Adult Corrections / Negligent Security Litigation
Preventive Security Assessment Services, LLC
New York, New York
Jails & Prisons, Security
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Correction Officer, Expert Witness, (CPP®), Crime Prevention Through Environmental Design, Rikers Island East Elmhurst NY, Security Management, Conditions of Confinement, Physical Security, Jail & Prison Practices, Negligent Security, New York City, Certified Correction Executive (CCE), (PSP), (CPD), (CCE)
I am the Founder and Principal of Preventive Security Assessment Services, LLC in New York City. I founded the Preventive Security firm following a distinguished career in law enforcement and security operations spanning more than 35 years. I operate as an Independent Physical Security Consultant providing Litigation Support.
Since retiring from the New York City Department of Corrections (NYCDOC) with Peace officer status in 2011, I've continued working in the field of security, while maintaining correction relevance. I bring a rare and specialized perspective to litigation support involving Adult Corrections and Negligent Security. As a retired NYCDOC officer, I have transitioned into a career as an Expert Witness–an uncommon path in this field. "One of the few and perhaps the sole, former Rikers Island officers offering Litigation Support in the United States."
I am dual Board-Certified as a Certified Protection Professional (CPP®) and Physical Security Professional (PSP®) ...