World's Most Evil Killers

A look at the life of the Polish serial killer, nicknamed the Vampire of Krakow for his wildly varying choice of victims, from young children to the elderly.

A look at the cold-hearted criminal who was convicted of murdering her daughter and attempting to kill her two other children in 1983.

A profile of the vicious killer who is thought to have murdered over 70 teenage girls and women in a reign of terror that started in the 80s.

A look at the life - and horrifying crimes - of Ted Bundy, a notorious serial killer who murdered at least 30 young women and girls between 1974 and 1978.

A look at the life and crimes of the serial killer, whose story was featured in the Oscar-winning film Monster, and who was executed in 2002.

Dennis Rader: A look at the horrific crimes of the serial killer who dubbed himself BTK - meaning 'Bind, Torture, Kill'.

A look at the horrific crimes committed by the serial killer, known for kidnapping, raping, torturing and 'butchering' his victims.

A profile of the serial killer, who narrowly avoided the death penalty for killing at least 13 sex workers during a horrific reign of terror.

Robert Lee Yates: A profile of the serial killer, who narrowly avoided the death penalty for killing at least 13 sex workers during a horrific reign of terror.

A profile of the serial killer known as The Gainesville Ripper, who targeted Florida students with crimes so horrific that he inspired the movie Scream.

A look at the serial killer who brutally abducted and murdered at least 10 women in 1984. He was executed by lethal injection in 2019.