Due to the graphic nature of this killer's crimes,

listener discretion is advised.

This episode includes discussions of murder and assault

that some people may find offensive.

We advise extreme caution for children under 13.

In October 1975, 21-year-old Theresa Naltan traveled to Bangkok,

looking for enlightenment along the hippie trail.

With her bare feet and cut off jeans,

she marveled at the beauty of the Buddhist monasteries throughout the region.

On her last night in the vibrant city,

Theresa met a motley crew of travelers led by a man who introduced himself

as a long goatee.

Theresa drank and danced into the night,

telling new friends about her sexual adventures,

and desired to reach Nirvana.

Eventually, a law suggested they venture to Pat Pong.

Bangkok's red light district.

He wanted to get to know her more intimately,

and help her on her path to find bliss.

Theresa hesitated.

She knew better than to run off with a complete stranger,

but the more she looked into a law's eyes,

...