Megan Meier, a blossoming 13-year old from a Missouri suburb, committed suicide after a jealous neighbor's mother allegedly masqueraded as a courting teenage boy and feuded with her on MySpace.

Rachelle Waterman, then 16, blogged about her difficulties with her mother on a remote Alaskan island. When she complained to her ex-boyfriends, the two older men lent a hand by killing her mother, and implicated the teenager.

Kevin Ray Underwood explored the darkest recesses of his psyche on his