. >> he was joseph morrissey who have been married to christina 's mother, kay, for 12 years.n florida home, documented by police video was now a crime scene. >> there was so much chaos going on. the whole street was blocked off, tons of police cars. there were sirens, you could smell the smoke and i remember running down the street, and the police officers were trying to stop me. and i just kept going, and she was just standing there, in the middle of the street. she just looks so small, so hurt. i just ran up and gave her a big hug. she was covered in blood and kept saying he is dead. he is gone. so, why would they do that? he is gone. >> when i arrived at this house, about 1:30 am. >> detective ryan kindle the plantation florida police quickly learned the key facts. joe morrissey had been brutally stabbed to death in his own home, while his wife kay and young son had escaped. the detectives spoke briefly with kay. >> she gives me a brief synopsis of what happens in there. >> believable? >> at that point, yes. that is the only thing i had to go on at that point. >> kay told