pat cohen had told sean buckner and his pea fiance about his daughters to the point where they wrote ckner was in training with the air force but when he got there, buckner closed the door in his face. >> he didn't want to get involved. sean buckner had the dilemma whether to betray his friends and free someone who maybe wrongly accused of triple murder. that was a tough one. sean buckner had no reason to help tim hennis. >> richardson came home empty handed hoping buckner would eventually change his mind. the retrial began on february 27th, 1989, almost four years after the brutal murders. >> state went in to it thinking it would be a replay of trial one. the defense had a different case. >> this time we drilled him and let him watch it. >> did you kill these three people. >> no, i did not kill them. i have a daughter of my own and couldn't hurt anyone at all. >> we felt if he showed rage or emotion. we thought it would be see, he can get to that point how does this make you feel. >> upset and angry. >> the prosecutor said you lost your cool. went in and tried to have sex with her an