Jail & Prison Practices Expert Witnesses

Jail & prison practices 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 jail & prison practices. The jail & prison practices expert witness listings on this page are typically from fields/areas of expertise such as: Jails & Prisons and Security.

Marcello R. Kettrles, PSP, CPD, CCE

Preventive Security Assessment Services, LLC

New York, New York
Jails & Prisons, Security - Correction Officer Policies & Procedures, Premises Liability, Use of Force, Crime Prevention Through Environmental Design, Standards of Care, Security, Security Management, Conditions of Confinement, Physical Security, Security Guard Negligence, Jail & Prison Practices, Negligent Security
Marcello is the founder of Preventive Security Assessment Services, LLC in New York City; a firm specializing in consulting, physical security and security training. He founded Preventive Security Assessment Services in 2021 following a long and successful law enforcement and security operations career that spanned over 30 years. Marcello was employed by the New York City Department of Corrections (NYCDOC) for over 20 years, retiring in good standing as a frontline Corrections Officer on Rikers Island in July 2011. During his tenure, he was responsible for managing risk in jail settings. His responsibilities included, preventing and managing hazards with conditions of confinement, search and seizure protocols, inmate classification / threat assessments, inmate safety, suicide prevention, exterior perimeters, video surveillance, access control, gathering and sharing intel, report writing, security assessments of physical jails and jail connected facilities. His work with the NYCDO...