American torturers

Hamilton Howard "Albert" Fish was an American serial killer, rapist, child molester and cannibal who committed at least three child murders between July 1924 and June 1928. He was also known as the Gray Man, the Werewolf of Wysteria, the Brooklyn Vampire, the Moon Maniac, and the Boogey Man. Fish was a suspect in at least ten murders during his lifetime, although he only confessed to three murders that police were able to trace to a known homicide. He also confessed to stabbing at least two other people.

John Wayne Gacy was an American serial killer and sex offender who raped, tortured and murdered at least thirty-three young men and boys between 1972 and 1978 in Norwood Park Township, a suburb of Chicago, Illinois. He became known as the "Killer Clown" due to his public performances as a clown prior to the discovery of his crimes.

American serial killer (1960–2013)

Dennis Lynn Rader, better known by his pseudonym BTK, is an American serial killer and mass murderer who killed at least ten people in Wichita and Park City, Kansas, between 1974 and 1991. Although he occasionally killed or attempted to kill men and children, Rader typically targeted women. His victims were often attacked in their homes and then bound, sometimes with objects from their homes, and either suffocated with a plastic bag or manually strangled with a ligature.

American serial killer (1943–2021)

American serial killer (1939–1973)

American serial killer (1891–1930)

American serial killer (1947–1996)

American serial killer (1787–1849)

American serial killer (1949–1992)

American physician and gynecologist (1813-1883)

Scottish-American psychiatrist most famous for his involvement in the Project MKULTRA of the United States Central Intelligence Agency. (1901–1967)

American serial killer

American serial killer (1945–1985)

FBI agent (1920-1970)

American serial killer (1946–1995)

Australian serial killer (1945–1984)

American serial killer

Convicted murderer

American serial killer on death row

American murderer (1859–1932)

American serial killer (1952-1994)

American serial killer

American serial killer (1961-1993)

American serial killer (1965–2002)

Russian-American-Jewish mobster (1932-1985)

American serial killer and rapist

American serial killers and rapists known as the Tool Box Killers

serial killers

Military Veteran, Police officer charged with misconduct

retired United States Army Major General

American Ku Klux Klan leader (1891–1966)

American white supremacist and convicted murderer

American husband-and-wife serial killer duo

American criminal

Continental Navy officer (1718-1802)

American mobster (1916-1977)

American murderer (1953-1992)

American Theosophist (1872–1951)

American murderer who killed to get money