Trayvon Martin 911 call: screams, gunshot

Posted: 3:16 PM EDT Apr 02, 2012   Updated: 3:43 AM EDT Apr 02, 2012

A 911 call made the night Trayvon Martin was killed in Sanford, Fla., includes what sounds like screaming in the background and then a gunshot. The audio has raised questions about whose screams can be heard. (The audio disappears briefly while the caller gives an address.)