Although I disagree with those who don't see a concern about racism in this case, I think I do understand what is meant by this being a hoax (although "hoax" probably isn't the best word). They don't mean it was a trap or that the death of the boy is fake or deliberate on the part of the family or civil rights people.
I think they mean that perhaps the family knows that Trayvon was involved in criminal activity, could even have been looking for something to steal on his way home, and most definitely would have started up with GZ because he didn't like GZ watching him. That the family suspects Trayvon totally would start pounding some guy if he thought the guy was out to get him, so they know that GZ's story is probably quite true, that he was just trying to keep an eye on a suspicious person and that guy turned around and started whoopin him and he was in fear for his life, because Trayvon was a young, strong, fit guy, whereas GZ is older and out of shape. But knowing all this, they are instead portraying Trayvon as some kind of sweet little angel who would never hurt a fly and portraying GZ as a racist maniac. The typical civil rights media






are out there blowing the story into a distortion in order to whip the public into a frenzy, when they know good and well that it's probably just what the police saw when they arrived--a clear-cut case of self-defense.
Again, what I wrote above is my understanding of what someone could mean by calling this situation a hoax. I am not in any way saying I agree with it or any part of it.