I support them 100%. Its clear that they aren't a band of rednecks and racists as organizations such as mecha like to portray them. They see a problem, a real security risk, and a threat to our country and they are trying to draw attention to it when both the republican and democratic parties have turned a blind eye to it all.
Personally, I think people from all over the world deserve an equal chance to come to the US. Doing so through illegal means shouldn't be tolerated though.