christina lannos: there was so much chaos going on. the whole street was blocked off. there was tons of police cars and the sirens and you could smell the smoke. and i just 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 and she just looked so small and so hurt. i just ran up and gave her a big hug she was covered in blood and she just kept saying, he's dead, he's gone. she said, why would they do that? he's gone. when i arrived at this house, it was about 1:30 in the morning. josh mankiewicz: detective brian kendall of 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 detective spoke briefly with kay. she gives me a brief synopsis of what happened that night. believable? at that point, yes. that's the only thing that i had to go on at that point. josh mankiewicz: kay told the detective that a man had entered their home sometime