There's also new video of the moment that he opened fire, just feet away from a child.
Raphael Ezeamaka, 18, is facing attempted murder charges for the shooting on October 8.
Surveillance video shows him turning around and shooting into the bus as he exited on the 700 block of South 57th Street.
Three women suffered non-life-threatening injuries.
Ezeamaka's last known address is in Upper Darby.
Anyone with information is urged to call or text Philadelphia police at 215-686-TIPS (8477).