Benjamin H. Smith

Prosecutors argued serial killer Michael Gargiulo derived pleasure from sadistically murdering beautiful young women.

Stevie Branch, Michael Moore and Christopher Byers were only 8 years old when they viciously murdered in 1993. 

A carpenter by trade, Roger Kibbe struck fear in the hearts of California women for his deranged and repeated murders around Sacramento.

Israel Keyes ultimately claimed to have killed up to 11 victims between 2001 and 2012, but couldn’t — or wouldn’t — tell authorities exactly when and where.

Edmund Kemper III viciously and sadistically murdered 10 people, including his own grandparents and mother.

Candy Montgomery embarked on affair with her best friend's husband — an affair that ended with 41 axe strokes.

Dennis Rader was described as a good father, loving husband and faithful churchgoer before people learned the truth about his BTK slayings.

John Wayne Gacy raped, tortured and murdered at least 33 teenage boys and young men, in most instances burying them in the crawl space beneath his home in the Chicago suburbs.

Colleen Harris said the first time she shot a partner, it had been self-defense. When another husband turned up dead, she insisted she couldn't remember the day.

When Aaron Smith won full custody of his kids, his ex-wife, Denice, turned to murder to get her way.