Isaiah Walker, 28, of the Ludlow neighborhood in Philadelphia, was fatally shot on the night of Saturday, September 6, 2014. Officers found him on American Street near Ontario in North Philadelphia at about 10:25 p.m.; he was taken to Temple University Hospital and died there two days later on Monday morning from multiple gunshot wounds to the head.

Investigators searched for two male suspects after the shooting, one of whom was believed to have been armed with a small revolver. Police treated the incident as a robbery and homicide, but the motive remained unclear and no arrests have been announced. The case remains an unsolved murder.

If anyone remembers seeing activity on American Street near Ontario that night or has information about the two men investigators sought, please come forward.