Trayvon was a thug-in-training. An apprentice, as it were, but very willing to learn.
http://livewire.talkingpointsmemo.com/entry/trayvon-martins-mom-says-shooting-was-accident
“I believe it was an accident,” Fulton said. “I believe that it just got out of control and he couldn’t turn the clock back. I would ask him, did he know that that was a minor, that that was a teenager, and that he did not have a weapon?”