It appears who one believes responsible depends on who one wants to blame at this point. Did, as liberals are quick to blame, George Zimmerman, a Hispanic Democrat, among others commit murder? We don't know yet. What is clear is that liberals hope to gain politically by Trayvon Martin's death and damn the facts as long as they think they can score political points and money by calling Republicans, conservatives and apparently every other person or group in the country racists.
Fortunately for my mother she is not around to get blamed as well. All 5' 0" of her. But I am not holding my breath. If dead liberals can vote in such high numbers I am sure they can also blame dead people for this.