Police say the victim was shot once in the head at close range inside the stairwell of an apartment building on the 1600 block of Foulkrod Street just before 5:00 a.m.
The victim believed to be in his 20's was pronounced dead at the scene.
Investigators believe it may have been an hour before anyone called 911 for help.
The shooting remains under investigation.
Anyone with information is asked to contact Philadelphia Police.
