Shayna Hubers shot and killed her on-again, off-again boyfriend Ryan Poston, but stunning interrogation tapes led investigators to a surprising motive.

A prominent real estate agent's double life as a serial killer was revealed when police rescued a young woman held inside a shipping container.

Chilling video captured the moments when a registered sex offender lured an 8-year-old Florida girl out of a Walmart before he was caught.

As a fitness instructor set up for an early-morning workout class at a local church, surveillance cameras captured footage of her killer lurking in the halls.

Videos reveal disturbing details about Watts, who is in prison for murdering his wife and daughters, from lies to a scandalous affair and a shocking cover-up.

A 27-year-old woman was found strangled in her Florida apartment. Shocking surveillance video and a slew of clues ultimately led investigators to her killer.