Making a Serial Killer

Derrick Todd Lee, known as the Baton Rouge Serial Killer, terrorized Louisiana from 1992 to 2003.

Serial killer Gary Hilton hunted innocent people in the expanse of the Appalachian Mountains.

The so-called Craigslist Killer lured unemployed men with the promise of jobs Ñ and took their lives.

A prime suspect in serial burglaries also had a connection with two brutal mother-daughter murders.

The so-called Leaf Killer led police on a manhunt after brutally killing an entire family.

A routine traffic stop would reveal the secret depths of Stewart Weldon's criminal ways.

William Davis was a twisted killer using his position as a healthcare worker to secretly kill patients.

One of Canada's youngest convicted serial killers committed his first murder at just 19 years old.

The suburbs of Seminole Heights, Florida was rocked by a series of murders by a disgruntled college graduate.