Joe Dziemianowicz

The infamous Hillside Strangler murders in ‘70s Los Angeles shone a spotlight on hypnosis.

Serial killer Kenneth Bianchi and his cousin Angelo Buono left a path of death in Los Angeles and Washington in the late 1970s. 

The “Hillside Stranglings” left the Los Angeles community in fear as women were found strangled to death around the city. The culprits behind them were a pair of cousins, Kenneth Bianchi and Angelo Buono

The murders of the Kramer family led detectives to a gunman — and the man who convinced him to pull the trigger.  

Levi Bellfield attacked and murdered woman around the London area in the early 2000s. His ex-girlfriend was eventually able to help police capture him.

Conway Utterbeck's dream of being in the Navy came to a deadly end at the hands of fellow shipmates. Why did they murder and dismember him?

Timothy Boczkowski, a man who played the role of a loving father, had two dead wives in two states. He insisted they were accidents, but investigators soon discovered otherwise.

Who brutally stabbed David Sexton, a Louisiana professor, to death? The killer left behind DNA that eventually caught up with him.

A charismatic California woman, Shelbi Harris, manipulated others to pull the trigger in two murders, according to "Mastermind Of Murder."

Stephen Griffiths, who became known as the “Crossbow Cannibal,” had an obsession with serial killers, his ex-girlfriend reveals.