Retired NYPD Detective Lieutenant Ralph Cilento breaks down newly released bodycam footage and 911 audio from a deadly Arizona attack that left two people dead and a third wounded. Police say the group had taken psychedelic mushrooms before one man allegedly turned on his friends. Cilento examines the officers’ response, the tense confrontation with the suspect and the final moments before police opened fire.

Ralph Cilento is a retired NYPD Lieutenant Commander of Detectives who spent more than two decades leading homicide and major-case investigations before serving as Chief Investigator for the Putnam County District Attorney’s Office. A former commander of the NYPD’s Detective Bureau Training Division and founder of Blue Top Consulting, a firm specializing in law-enforcement training, consulting and expert-witness services, Ralph has educated thousands of law enforcement professionals and brings an expert’s eye to every split-second decision caught on bodycam.