Violent Crimes Expert Witnesses

Cameron Park, California

Police Practices & Procedures, Law Enf & Criminal Justice - 1983, Interrogations, Police Practices, Search & Seizure, Laws of Arrest, Wrongful Conviction, Wrongful Arrest, Officer Involved Shootings, Homicide, Crime Scene Analysis, In-Custody Deaths, Criminal Investigations, Jails & Prisons, Admin Investigations, Ethics, RICO, Violent Crimes

I am a retired Sergeant with the Sacramento County Sheriff's Office. I have over 30 years of law enforcement experience. I am a Police Practices Expert with a wide range of expertise, including but not limited to, Major Crime Scene Management, Homicide Investigations, Criminal Investigative Practices, Cellular Phone Forensic Analysis, Officer Involved Shooting Investigations, In-Custody Deaths, Interview & Interrogation Techniques (both Reid and Science Based), and other in-depth investigations, including Conspiracy, Robbery, Missing Persons, Kidnapping, Murder for Hire, Gang Related Crimes, and Narcotics. I provide consulting and expert witness services specializing in extensive and in-depth case reviews, analysis, and independent and objective opinion development for thorough Rule 26 reports and testimony. I am an instructor with California POST Robert Presley's Institute of Criminal Investigations including Investigators Core, Homicide Investigations, Officer Involved Shooting ...

Sarasota, Florida

Security, Premises Liability - Apartment Security, Parking Lots, Parking Garages, Terrorism, Bars/Lounges/Nightclubs, Security Guards, Transportation Security, Hotel Security, Security Management, Violent Crimes, Inadequate/Negligent Security, Special Event Security, Workplace Violence

Elizabeth Dumbaugh, CPP, is a premises liability and security consultant and testifying expert for THG Consultants, a firm whose consultants have conducted more than 1400 forensic evaluations of premises located in 46 states as well as in Puerto Rico, the Virgin Islands, Columbia, South America and Istanbul, Turkey. Elizabeth consults regarding security and safety aspects of commercial property management and conducts security audits for various types of commercial premises, including but not limited to: multi-family housing, resorts, hotels, retail and office space, nightclubs, and convenience stores. She is board-certified in security management, having earned the prestigious designation of Certified Protection Professional (CPP) from ASIS International, where she serves on the ASIS Leadership and Management Practices Council providing global security best practices to ASIS members. She is a Crime Prevention Practitioner, a designation awarded by the Florida Attorney General’s ...

Orlando, Florida

Security, Premises Liability - Hospital & Healthcare Security, Negligent Security, Workplace Violence, Crime Foreseeability, Mall-Retail-Store Security, Hotel & Hospitality Security, Apartment Buildings & Office Security, Parking Lots-Garage Security, Violent Crimes, Casino Security, Bars & Nightclubs and School Security

William S. Marcisz ("Bill"), is President & Chief Consultant for Strategic Security Management Consulting, Inc., providing litigation support to both Plaintiffs and Defense clients including: Case Review & Assessment, Affidavits, Expert Testimony, Investigations and Forensic Consultation on standards of care and best practices in matters pertaining to Premises Liability, Negligent Security, Security Use of Force, and related Civil Litigation with an emphasis on Hospital/Healthcare Security and Workplace Violence. Trial testimony has aided in attaining Jury Awards up to $13.5 Million. As a Forensic Security Consultant, Mr. Marcisz has reviewed and provided opinions in matters involving violent crime, including active shooter incidents involving claims with high liability exposure, and involving organizations, hospitals, and businesses with national and worldwide brand recognition. Mr. Marcisz has 40 years of combined experience in private security and complex litigation. Mr. Marc...

New Jersey

Security, Premises Liability - Hospital & Healthcare Security, Negligent Security, Workplace Violence, Crime Foreseeability, Mall-Retail-Store Security, Hotel & Hospitality Security, Apartment Buildings & Office Security, Parking Lots-Garage Security, Violent Crimes, Casino Security, Bars & Nightclubs and School Security

William S. Marcisz ("Bill"), is President & Chief Consultant for Strategic Security Management Consulting, Inc., providing litigation support to both Plaintiffs and Defense clients including: Case Review & Assessment, Affidavits, Expert Testimony, Investigations and Forensic Consultation on standards of care and best practices in matters pertaining to Premises Liability, Negligent Security, Security Use of Force, and related Civil Litigation with an emphasis on Hospital/Healthcare Security and Workplace Violence. Trial testimony has aided in attaining Jury Awards up to $13.5 Million. As a Forensic Security Consultant, Mr. Marcisz has reviewed and provided opinions in matters involving violent crime, including active shooter incidents involving claims with high liability exposure, and involving organizations, hospitals, and businesses with national and worldwide brand recognition. Mr. Marcisz has 40 years of combined experience in private security and complex litigation. Mr. Marc...

New York

Security, Premises Liability - Hospital & Healthcare Security, Negligent Security, Workplace Violence, Crime Foreseeability, Mall-Retail-Store Security, Hotel & Hospitality Security, Apartment Buildings & Office Security, Parking Lots-Garage Security, Violent Crimes, Casino Security, Bars & Nightclubs and School Security

William S. Marcisz ("Bill"), is President & Chief Consultant for Strategic Security Management Consulting, Inc., providing litigation support to both Plaintiffs and Defense clients including: Case Review & Assessment, Affidavits, Expert Testimony, Investigations and Forensic Consultation on standards of care and best practices in matters pertaining to Premises Liability, Negligent Security, Security Use of Force, and related Civil Litigation with an emphasis on Hospital/Healthcare Security and Workplace Violence. Trial testimony has aided in attaining Jury Awards up to $13.5 Million. As a Forensic Security Consultant, Mr. Marcisz has reviewed and provided opinions in matters involving violent crime, including active shooter incidents involving claims with high liability exposure, and involving organizations, hospitals, and businesses with national and worldwide brand recognition. Mr. Marcisz has 40 years of combined experience in private security and complex litigation. Mr. Marc...

Texas

Security, Premises Liability - Apartment Security, Parking Lots, Parking Garages, Terrorism, Bars/Lounges/Nightclubs, Security Guards, Transportation Security, Hotel Security, Security Management, Violent Crimes, Inadequate/Negligent Security, Special Event Security, Workplace Violence

Elizabeth Dumbaugh, CPP, is a premises liability and security consultant and testifying expert for THG Consultants, a firm whose consultants have conducted more than 1400 forensic evaluations of premises located in 46 states as well as in Puerto Rico, the Virgin Islands, Columbia, South America and Istanbul, Turkey. Elizabeth consults regarding security and safety aspects of commercial property management and conducts security audits for various types of commercial premises, including but not limited to: multi-family housing, resorts, hotels, retail and office space, nightclubs, and convenience stores. She is board-certified in security management, having earned the prestigious designation of Certified Protection Professional (CPP) from ASIS International, where she serves on the ASIS Leadership and Management Practices Council providing global security best practices to ASIS members. She is a Crime Prevention Practitioner, a designation awarded by the Florida Attorney General’s ...

Richmond, Virginia

Security, Premises Liability - Premises Liability, Negligent Security, Violent Crimes, Workplace Violence, Healthcare Security, Guard Services, Risk Assessment, Hospital Security, Incident Reporting, Security Training, Security Systems Design, Active Shooter

Highly credentialed, Board Certified Expert. Michael S. D'Angelo, is the Principal & Lead Consultant for Secure Direction Consulting, LLC. He provides case review, expert testimony and consultation on security standards and best practices in cases involving premises liability, negligent security, and related civil litigation, with a special focus on healthcare security and workplace violence. D'Angelo has been in the public safety and private security industries for nearly 30 years. He retired as a Police Captain with the South Miami Police Department, having served 23 years In a variety of positions; including supervision and senior management. Upon transitioning to the private sector, he was hired as the corporate security leader for Baptist Health South Florida, where he served as an internal consultant for security and emergency preparedness to six hospitals and a multitude of outpatient facilities. He now provides risk assessments, security plans, guard force planning and...