him. >> shawn says the murderous scheme was set in motion when his dad received a letter from joe morrissyat he owed just over $1,600 and his lease would now be month to month. that letter arrived the day of joe's murder. >> how did your dad react to that letter? >> like, i'm not going to let him do it. >> because it was like an insult to him. >> he took it like that. it was a man that wanted his money. >> but your dad saw it as provocation. >> yeah. >> and i'm going to teach him a lesson. >> yeah. >> then he says his dad roped in randy jr. >> my brother didn't know whose house he was going to. and my brother didn't know that somebody was supposed to die in that house. >> only to turn his back on him afterward and let randy jr. fall under suspicious for the murder. >> he says they caught him, not me. i said, you fix this or i will. >> that's what you said to your father. >> i told him straight up. >> fix this or i will. >> yeah. >> and that's when shawn turned his back on his father and went to police trying to save his brother by informing on his dad. if that didn't stun the officers, the