Police have released video of the man who fatally shot a 21-year-old in Brooklyn this week.

The incident happened Thursday night just before 8:15 p.m., when cops responded to reports of shots fired near 807 Saratoga Avenue in Brownsville. They found three men there, all with gunshot wounds. Isaiah Cicero, 21, was shot in the torso, and pronounced dead at Brookdale Hospital. The other two men, ages 18 and 20, were shot in the arm and taken to Brookdale in stable condition.

You can see surveillance video below of the masked suspect bursting into the apartment building and firing shots:

Brownsville Shootingby Gothamist

According to NBC, all three victims are allegedly members of the Crips. They also have a clip of the three men hanging out in front of the building before frantically running inside at the sight of the gunman.

Anyone with information in regards to this incident is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS. The public can also submit their tips by logging onto the Crime Stoppers Website or texting their tips to 274637(CRIMES) then enter TIP577.