detectives mcdonald and szalbirak immediately brought him to the sheriff's office for questioning. >>ing to talk to us. we were very much ready to listen to him. >> he outlined for detectives the details of the shooting. he started by insisting it was all an accident. . >> i never intended to pull that trigger. >> but detectives weren't show so sure. after all, michael shot sam not once but four times. >> one of the shots was to the back of sam's head. >> so sam is laying here and michael is right on top of him basically giving him the final shot? >> he would have had to have been. that's what the evidence indicates. >> one shot might have been an accident. not the three or four shots that he actually fired. that was not accident at all. >> but detectives wanted to know if this wasn't an accident, why then did michael shoot sam? >> got all these pieces to the puzzle and you try to fit them all together. >> that's when michael revealed something that would turn the case on its head. he told detectives about an affair. but it wasn't the affair between sam and dianne. it was an affair he