Originally Posted by StickyGreen

Zimmerman wasn't some random stalker on the streets following people around, he was working as a neighborhood watchman or whatever it's called and he saw someone that he thought looked like they were up to no good, and when that person started to violently attack him his suspicions were confirmed. Then, in order to save his own life, he decided to use his weapon on the attacker.

People will try to justify Trayvon's attack on Zimmerman because Zimmerman was "following him," but that's not the way the law works, it isn't legal to beat someone up simply because they are walking near you.