George Zimmerman re-enacts shooting: ‘It felt like my head was going to explode’
By Rene Stutzman and Jeff Weiner

The day after he killed Trayvon Martin, an unflappable George Zimmerman with bandages on his head walked down the sidewalk where he shot the unarmed teen, acting out the night’s events for police.

The video re-enactment is a key piece of show-and-tell evidence in one of the most-watched criminal cases in the country, and one of many elements released by Zimmerman’s lawyer in a surprise move Thursday.