The video shows the victim, 36-year-old Jercar Brooks, outside his building in Williamsbridge last Thursday.
Brooks enters with a man who pulls up in a black Chevy Camaro.
A short while later, the suspect runs back out of the building holding a large box and takes off in the car..
The suspect is described as a black male, 5-foot-10 to 6-foot-4, wearing a gray fitted New York Yankees hat and a gray and red Northface jacket.
Anyone with information in regards to this Homicide is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS.