A 12-year-old girl goes missing and Facebook has clues to her location.

A Craigslist connection turns sour.

A teenage girl falls in love online with tragic consequences.

A lonely teen moves in with friends from the internet and lands herself in trouble.

A line-in caretaker disappears from an Ohio ranch.

A troubled 13-year-old has a secret online life.

A woman travels from Kyrgyztan to Seattle in order to marry a man she met online, but she quickly learns that he's not who she thought he was.

A university professor has dark online secrets.

A terror campaign is launched against a father and son.

A pregnant single woman searches for help online and finds herself in grave danger.

A Security Chief's family is killed after he receives threatening emails.

A 12-year-old tech addict sneaks out of a friend's house and never returns.

Two teenagers meet online, but things get ugly when her father intervenes.