Observers in the Trayvon Martin case are no closer to finding any answers, as two pieces of evidence appear to support both of the conflicting narratives told by the shooter, George Zimmerman, and Martin’s family. Zimmerman claims he killed Martin in self-defense, and a new video from the night of the incident showing a bump on his head appears to corroborate his story. But he also claims he was screaming for help in a 911 tape, which appears to be untrue …
