Ted Bundy: An American serial killer and necrophile who confessed to the murders of at least 30 people in the 1970s.
Jeffrey Dahmer: An American serial killer and sex offender who murdered and dismembered 17 boys and men between 1978 and 1991.
John Wayne Gacy: An American serial killer who murdered at least 33 young men and boys in the 1970s.
Ed Gein: An American serial killer and body snatcher who murdered at least two women in the 1950s.
Charles Manson: An American cult leader and murderer who was convicted of ordering the killings of seven people in 1969.
Richard Ramirez: An American serial killer who murdered at least 13 people in California in the 1980s.
David Berkowitz: An American serial killer who murdered six people in New York City in the 1970s.
The Zodiac Killer: A serial killer who operated in Northern California in the late 1960s and early 1970s and is believed to have murdered at least five people. He was never formally charged. The suspected killer is deceased.
Aileen Wuornos: An American serial killer and prostitute who murdered at least seven men in Florida between 1989 and 1990.
Andrei Chikatilo: A Soviet serial killer who murdered at least 52 women and children between 1978 and 1990.