somehow implicated him. >> i showed him certain excerpts out of juliet driscoll's statement. i knew it was going to happen. i just didn't know when. at that point he immediately began to sob, put his head on the table and said i'm [ bleep ]. but did that mean he was guilty? or merely that he understood the police believed he was guilty? >> he made comments like, there is no magical way i can tell you where to go to find the truth. >> christopher sutton and garrett kopp were charged with first degree murder, possible death penalty case. both pleaded not guilty. and john sutton got busy. he had a mission, two, in fact. one to seek justice no matter what that might mean for his son. and the other, perhaps even more impossible, to simply see again. coming up, garrett kopp's con investigation should be enough to put him behind bars, but did prosecutors have enough to convict christopher sutton? >> this was a circumstantial case. >> when "blind justice" continues. "blind justice" continues. you wouldn't accept an incomplete job from any one else. why accept it from your allergy pil