sheriff. i really need to know. >> i honestly don't know. >> alyssa was 6 by this time, was the only bhoewho remembered seeing anything unusual. >> she saw a shadow in her doorway looking at her and then the shadow left. she went back to sleep and then melissa came in and grabbed her and was talking to 911. >> the detective discovered the bullet that killed ben was a number 8 birdshot, the same ammunition discovered in craig's room. so the question for craig -- >> i apologize, but i have to, did you kill craig? >> no, i di i