No he hasn't . He told the police "tell my wife I shot him"<quoted text>He set out with intent to harm Trayvon. Should be an open and shut case but you know how slimy defense lawyers are.
Let's say Zimmerman is right, as a decent person has he shown any remorse at all for killing a fellow human being?
He told Hannity he wouldn't do anything differently, that it was Gods plan.