speaking minionese ] josh mankiewicz: as police investigated the home invasion murder of joe morrissey, his widow kayh not only her own grief and trauma, but also with her son, patrick's. >> when patrick would ask you what happened to his father, what would you tell him? >> i tried to answer him thinking age-appropriate. because he was five years old. and i would say, you know, daddy died. >> kay was still trying to protect her son, just as joe had done ■çon that terrible nig. >> even when the man was dying, that's what he was doing. he was fighting for his life and trying to protect my mom and patrick. >> in the days after the murder, police were zeroing in on randy jr. when they received an unexpected phone call from his younger brother, sean. >> he tells us his brother is not involved. he actually provides his brother with an alibi. randy jr. was with me. he didn't do this. >> you are about 99% or 100% convinced they randy jr. was at the morrissey house that night. >> oh, yes. we know sean is lying about that part of it. >> police knew sean had an alibi for the night joe morrissey was killed. he w