Chilling Surveillance Video Captures Teen Gunman Racking 9mm Pistol and Waving It Moments Before Shooting Veteran NYPD Detective in the Back – Hero Cop, Just Weeks from Retirement, Saved by Bulletproof Vest in Brooklyn Ambush

A disturbing exclusive video has left New Yorkers stunned and the NYPD community rallying around one of their own after a brazen early-morning shooting in Brooklyn’s Crown Heights that could have ended in tragedy – but instead highlighted the bravery and quick response that define the city’s finest.

Just after 4:45 a.m. on Sunday along Nostrand Avenue, surveillance cameras captured the terrifying sequence: an 18-year-old suspect pacing nervously on the sidewalk, openly brandishing a 9mm handgun, pulling back the slide to rack a round into the chamber with clear intent, and then suddenly dashing toward an unmarked NYPD cruiser parked just half a block away.

What happened next was a chaotic shootout that left veteran Detective Robert Karroll shot in the back.

Thankfully, the dedicated officer’s bulletproof vest did exactly what it was designed to do. Karroll, who was less than two weeks away from a well-earned retirement after decades of service, is expected to make a full recovery. His partner sustained minor injuries but showed incredible composure, helping to quickly subdue and arrest the suspect, who is now in custody and being interrogated by detectives.

The footage, obtained exclusively by The New York Post, is deeply unsettling: the teen flashes the weapon as he walks back and forth, the gun glinting in the dim early-morning light, before the sudden dash and gunfire erupts. Additional photos from the scene show investigators examining a bullet hole in the windshield of the damaged unmarked vehicle and officers securing the area as the investigation kicked into high gear.

The recovered 9mm handgun was also documented, underscoring the real and present danger officers face every single shift.

Detective Karroll’s close call has struck a particularly emotional chord across the department. A seasoned cop on the verge of hanging up his badge, he was doing his job monitoring sex offenders in an unmarked car when the ambush unfolded.

This incident comes as a stark reminder of the razor-thin line between routine patrol and life-threatening danger that law enforcement navigates daily – often without the public even realizing it.

As the suspect faces serious charges and the investigation continues into the circumstances leading to the attack, the NYPD and community are united in gratitude for the officers’ quick actions that prevented a far worse outcome.

Prayers are pouring in for Detective Karroll’s speedy recovery, and thanks are being extended to the partner who helped take the gunman down, along with the entire response team that secured the scene.

In a city that has seen too many stories of violence against police, this one thankfully ends with hope: a hero is healing, a suspect is off the streets, and the thin blue line remains strong.

Our officers put their lives on the line every day. Today, we say thank you – and get well soon, Detective Karroll.

This is a developing story.