A 35-year-old auto repairman, Joey Buttafuoco began an illicit relationship with 16-year-old Amy Fisher in 1991 — and Fisher later tried to kill his wife.

Following her 2008 escape from the clutches of her father Josef, Elisabeth Fritzl now lives in a remote Austrian hamlet known only as "Village X" with her six children and new husband, Thomas Wagner.

After being imprisoned in Ariel Castro's home for a decade, Amanda Berry escaped her kidnapper in 2013 — and freed his other victims, Gina DeJesus and Michelle Knight.

Shanna "Liz" Golyar killed Cari Farver, her love interest Dave Kroupa's new girlfriend, in November 2012, then spent the next three years sending tens of thousands of text messages and emails posing as her.

Jessica McClure was playing in her aunt's backyard when she fell into a narrow well shaft in October 1987. And for the next 58 hours, the nation watched breathlessly as rescuers worked to free her.

Elizabeth Olten knew and trusted 15-year-old Alyssa Bustamante — but her "friend" turned out to be a thrill killer who had horrific plans for her.

A bizarre process that has seen many crustaceans evolve to take a crab-like shape, carcinization has long left baffled scientists searching for answers.

On November 28, 1994, Jesse Anderson was murdered by Christopher Scarver while serving a life sentence in a Wisconsin prison for killing his wife.

Ever since the Philadelphia teacher was found dead in her apartment on January 26, 2011, her family has been convinced that she was murdered.

On July 13, 2011, Rebecca Zahau was found dead at her boyfriend's California home — just days after his young son suffered a fatal fall while under her care.

Over the course of three days in August 2009, Angela Simpson callously tormented Terry Neely because she thought he was a police informant.