A teen has been charged with aggravated battery for a videotaped attack of an elderly man in a Chicago subway station.
Scotty Strahan, 18, turned himself in to the police after authorities issued alerts seeking his arrest.
Video posted at worldstarhiphop.com shows the elderly man in a tan jacket wandering around passengers on the CTA platform. In the video, a group of teens is seen laughing and taunting the older man. One teen, dressed in a black vest and hoodie, begins following the older man as the train approaches.