. ♪ >>> and we're back with tracy martin and sabrina fullton and their plaur benjamin crumb. is color blind and based on facts and circumstances, not color. i know i can say that until i'm blue in the face but as a white man in a uniform i know it doesn't mean anything to anybody. is this ultimately, in your minds, about the race of your son who is a 17-year-old black kid? >> to me, if trayvon had did the shooting, he would have been arrested. he would have been arrested on the spot. >> sabrina -- yeah, go ahead. >> so there is a history, we think, with the police department that they had other instances like this and it really goes to your series, "black in america." it's a different reality at times, and these past -- you know, they are just outranled. you think, if my son doesn't have a weapon and somebody kill him in cold blood, you at least arrest him. he can make that self-defense argument, but that's in court with the judge and the jury after he's been arrested. but for him to not ever be arrested and he gets to go home the same night that he killed my son and sleep in