>> chris sutton. >> and what do you remember the defendant telling you about how much money you might upwards of $100,000. >> reporter: until this moment, john sutton had been a spectator at his so son's trial. his thoughts and feelings, his own. but he was a victim too, staying out of it, wasn't an option for him. and now came the moment he had both dreaded and demanded. he testified against his own son. first about the night his world went dark. >> the only thing i saw was for an instant a snap, i didn't see the gun, but in an instant, bam, and then, the next thing you knew, i woke up and i was on the floor. >> reporter: john sutton answered the questions as if the defendant sitting before him was a man he had never met, as if this was not the boy he had raised from birth. neither father nor son displayed the slightest emotion. >> it doesn't make any sense to -- to get on the witness stand and cry in front of the jury it can cause a mistrial. so, i dealt with it. i did what i had to do. >> reporter: so he did. but, he was right about his son? did the state really have the puzzle sol