It happened around 10:46 a.m. on July 18 along the 1300 block of West Loudon Street.
Surveillance video shows the suspect inside a corner store just before the shooting.
He's then seen pulling something over his face, approaching a white car.
Moments later he runs away toward Old York Road.
Anyone with information can call or text Philadelphia police at 215-686-TIPS (8477) or submit an anonymous tip online.
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