weapon, everybody in the house says i don't know. >> a ghost? >> yeah. that's what it feels like because you have no idea. >> was it possible melissa hadn't seen the person who'd shot ben? she'd been lying right next to him. why was she unharmed? >> a little red flag started popping up, this doesn't seem right. >> had craig melissa's teenage brother, truly slept through the whole thing as he claimed? >> i opened my eyes. right in my face was a bunch of barrels from guns. >> it was police guns, police who had discovered shotgun shells on craig's dresser. >> here comes another red flag. is this a possibility? is he faking? >> melissa, craig and little alyssa were taken to the sheriff's department at 4:00 a.m., an hour after the shooting. melissa's best friend got a phone call. >> it was alyssa.