similarities and distinguishable aspects. both trayvon and jordan, 17-year-old, both african-americans, both parents are being put through hell trying to get justice holding the killer's responsibility for taking their child's lives but the big difference is, you have live witnesses in this case. in trayvon's case, you just had to take his killer's word because he was the only one left. all the witnesses had been killed. trayvon wasn't there to tell his side of the story. in both of the tragedy, the killers, if they would have stayed in their cars, it would all have been avoided. that's the thing that's so troubling for so many people in america specially parents of young, black males. >> many experts say mr. dunn