Learn more about Austrian serial killer Jack Unterweger, who convinced the public he was reformed before strangling women ...

Find out what Fred and Rose West's kids said that made authorities dig up their Gloucester, England property, and about the shocking discoveries that were made.

Find out what life is like for the Menéndez brothers now, decades after their parents, José and Kitty Menéndez, were found ...

Read about how some of the world's most notorious killers had lovers who stood by them or helped them, including Rose West, Bianca Mrak and Michelle Martin.

Lucille Duncan is a convicted killer from rural Columbia, Missouri, in Boone County, a town located 125 miles east of Kansas City and 125 miles west of St. Louis. As featured in the 2017 Snapped ...