Due to the graphic nature of this killer's crimes, listener discretion is advised.

This episode includes discussions of murder and sexual violence

that some people may find offensive.

We advise extreme caution for children under 13.

Cottage Grove, Oregon, 17-year-old Jenny Gomez

stared at her computer screen, scrolling through a sea of online profiles.

Although it was a typical 2010 evening, the dating site she scoured through was anything but.

None of these men used their bios to tout their fitness regimes or brag about how well-read they were.

The patrons of this website, ColourMe.com, had different things in mind.

Users logged on to discuss ballgags, whips, chains, and bondage.

They were all looking for others who shared an interest in BDSM.

Jenny knew she shouldn't be on the site. She was still under age,

but that was part of the thrill. She had experienced so much hurt in her life,

being shuffled from one foster family to another.

There was something cathartic about seeing pain in a new way, twisting it into pleasure,

conquering it.

As she sifted through screen names and pictures, she suddenly saw a notification,

a private message. She opened it to find a greeting from a man who went by the handle,

Mr. Handcuffs, an older guy, almost 50, not her usual type.

He propositioned to her with a very specific request. He was looking for a slave,

someone to dominate. Reading his message, Jenny couldn't help but feel intrigued.

She wondered what it would be like to break free from her responsibilities and put her life in

...