In Episode 4 of Behind the Bodycam, Retired NYPD Detective Lieutenant Ralph Cilento breaks down dramatic NYPD bodycam and drone footage from a deadly standoff high above the Brooklyn Bridge. Police encountered 41-year-old Chaun Bottom walking along the bridge cables while armed with a knife, claiming he had a bomb and telling officers he wanted to die. Members of the NYPD Emergency Service Unit climbed onto the span and spent nearly an hour trying to talk him down before Bottom raised the knife and advanced toward an officer, bringing the tense negotiation to a sudden and fatal conclusion.

Ralph analyzes the extraordinary de-escalation effort, from Detective Nicholas Giordani slowly building rapport and respecting Bottom’s space to the tactical challenges of operating on the bridge while officers are secured by safety harnesses hundreds of feet above the East River. He then breaks down the final moments captured from multiple angles, including Bottom’s approach with the knife raised and the single shot fired by Sgt. Dennis Dooley from the roadway below. It’s a close look at crisis negotiation, NYPD ESU tactics and the split-second use-of-force decision that followed nearly an hour of officers trying to bring the encounter to a peaceful end.

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.