Someone above said Zimmerman ignored the dispatchers advice to not follow Martin and got out of the car to follow Martin anyway.
This is wrong.
Zimmerman was already out of the car. And when he was told he didn't need to follow Martin he said OK and all indications are that he did indeed stop. Why? Because he spent the next minute on the phone talking to the dispatcher and during that conversation told the dispatcher he didn't know where Trayvon was.
Chuck Norris isn't afraid of 10mm.
Chuck Norris IS
Every 10mm fired has a pin drop of Chuck Norris sweat placed inside it during the manufacture of said round. This most holy of sweat is what gives the 10mm its power. -- Said by me