For sure they should. I think getting off because you're under 18 is complete bull****.
If you're capable of killing someone for the sake of ****s and grins, you shouldn't be allowed out into society ever again.
Also:
http://www.huffingtonpost.com/2013/0...6pLid%3D362068
Supposedly there's another tweet where he claims that he knocked out 5 whiteys since the Zimmerman trials.
Zimmerman didn't kill out of racism, he killed out of self-defense. FFS he's not even white.