Investigators believe he is responsible for luring the animal into a trap and then setting it on fire.
It happened on September 11 along the 1000 block of Ritner Street in South Philadelphia.
The suspect is described as a man with a medium build, long dark hair. He was last seen wearing a dark jacket, denim shorts, and carrying a drawstring bag.
Anyone with information is asked to call police at 215-686-TIPS.