. >> he was joseph morrissey, who had been married to christina's mother, kay, for 12 years.burban florida home, documented by police video, was now a crime scene. >> there was so much chaos going on. there was tons of police cars and sirens and you can smell the smoke and i just remember running down the street and the police officers were trying to stop me. i kept going and she was just standing there in the middle of the street, and she just looked so small and so hurt. i just ran up and gave her a big hug. ■ç she just kept saying, he is dead. he is gone. why would they do that? he is gone. >> when i arrived at the house, it was 1:30 in the morning. >> detective brian kendall quickly learned the key facts. he had been brutally stabbed to death in his home while his wife and young son had escaped. detectives spoke briefly with kay. >> believable? >> yes. >> tape told the detective that a man had entered their home sometime after 11:00 p.m. and began a reign of terror that started with tying hands and feet with zip ties and ended with the murder of her husband and their hous