The girl nextdoor. She was really, really cute, blonde hair. One meant the guy of her dreams, love at first sight, but at Second Glance trouble, pregnant at 16. You wanted to be married. He didnt want to do that. One night an ambush, someone shot on the bedroom floor. Help me. A teenage mom at the center of a murder mystery. Fingers were pointed everywhere at everybody. Who had a motive to kill . Hello and welcome to dateline. When 21yearold ricky cowles and his teenage girl friend Amy Priestmeyer moved in together, her best friends moved in, too. At first it was like an endless sleepover, but then ricky was murdered. The killer bragged about the crime and police made a quick arrest, case closed. Not exactly. Unraveling who was behind the diabolical plot wouldnt be nearly as easy. Heres Keith Morrison with mean girls. Mean girls. An interesting species, teenage girls. Some are sweet. Some are not. Some are not. We call them mean girls and some in particular, as youre about to see, coul