>> it doesn't make sense. >> tony gricar agrees. >> there is no path where investigators can say thisd not walk away did he die by suicide like his brother? this is a man who loved his daughter, he loved his girlfriend. does it make sense that he would take his own life and not leave some sort of explanation? >> i would say no. >> without a body there is no way to be sure. that leaves one last theory, murder. investigators say as a prosecutor gricar have with some dangerous people behind bars. >> who knows who got out of jail 20 years ago and is still holding a grudge? >> someone who wanted to get the straight arrow d.a. out of the way. someone who may have lured ray into a trap. >> when you hereby prosecutor going missing this could be linked to something he was working on or somebody who wanted payback. >> to me that would be the most plausible. >> tony had it conclusively settled on the foul play theory but the d.a. had. >> i've always felt, maybe not initially, but several months later when all of the facts started coming out i always felt the only conclusion left was foul play. t