Omari Noel, 20, was at his Sparrow Drive, Simeon Road, Petit Valley, home at around 3.50 am when men in dark clothing with the word police printed on the from came knocking.
When his father Elvis opened the door the men took the 20-year-old and shot him. He died at the scene. Elvis, who was shot as he tried to close the door, was taken to hospital.
Police say they have no motive as yet for the killing, although the deceased was known to be involved in criminal activity.
This is the second murder in the area in just three days and takes the murder toll for the year to 341.
Homicide officers are continuing investigations.