Related Program: All Things Considered New Documents Released In Trayvon Martin Case By editor • May 17, 2012 Related Program: All Things Considered TweetShareGoogle+Email Documents have been released in the investigation of George Zimmerman's shooting of Trayvon Martin. Zimmerman, a neighborhood watch captain, shot Martin, an unarmed teen. He's claiming self-defense. Robert Siegel talks to Greg Allen. TweetShareGoogle+EmailView the discussion thread.