George Zimmerman claims he killed 17-year-old Trayvon Martin in self- defense, though Zimmerman outweighed Martin by over 60 pounds and though his gun outarmed Martin’s pack of skittles. Part of Zimmerman’s dubious defense claim is that he was the one whose screams for help can be heard on the 911 calls made by concerned neighbors. But experts say this is not the case.  The Orlando Sentinel’s Jeff Weiner, has the story:

As the Trayvon Martin controversy splinters into a debate about self-defense, a central question remains: Who was heard crying for help on a 911 call in the moments before the teen was shot? A leading expert in the field of forensic voice identification sought to answer that question by analyzing the ...