Philadelphia police are seeking to identify a man shown in surveillance video released Monday, in connection with a shooting death of a 17-year-old youth earlier this month in West Oak Lane.

The suspect is wanted in the shooting death of Antoine Coleman, who was shot twice in the head, on North 16th Street near 67th Avenue about 7:30 p.m. Oct. 18. Coleman, a senior at Excel Academy South on Roosevelt Boulevard, was pronounced dead at Einstein Medical Center 40 minutes later.

Police said the suspect — described as black, in his early to mid-20s, with a neatly trimmed beard, and wearing a black hooded jacket, black pants and tan boots — was last seen fleeing east on foot on 67th Avenue.

Victim: Antoine Coleman, 17
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Victim: Antoine Coleman, 17

The victim's uncle, George Coleman, 42, who helped raise him, has said his nephew "liked playing video games and hanging out with friends. He wanted to graduate and go to trade school" to become an auto mechanic.

Although neighborhood rivalries are not unusual in the city's northwest, Coleman had "no gang connections" and "no links to people with trouble," Homicide Capt. John Ryan has said.

Tipsters should contact the police tip line at 215-686-TIPS (8477) or the homicide division at 215-686-3334. Tips, which can be anonymous, also can be submitted online. As with all Philadelphia homicides, a $20,000 city reward is offered for a tip leading to an arrest and conviction.