stacia grossman got word from her mother. >> my mother called and said "michelle is dead.""michelle who? some celebrity. what are you talking about? what do you mean how is that possible? what happened?" >> reporter: the very question that wake county investigators were asking themselves. >> when we come back a security camera provides a critical clue. it's not what it caught on tape it's what it missed. and why? >> there was a camera there hat had been unplugged. >> who had something to hide? can i have some? you really wouldn't like it. it's got caramel and crunchy stuff. i like caramel and crunchy stuff. it's not for kids. i'm a grown-up. breyers gelato indulgences. creamy gelato, rich caramel topped with crunchy curls. it's way beyond ice cream. now, try our new indulgent flavors. ♪ music throughout ♪ whatever wakes your baby at night pampers believes it should never be a wet diaper for up to 12 hours of protection pampers huh, 15 minutes could save you 15% or more on car insurance. everybody knows that. well, did you know that game show hosts should only host game show