This serial killer murdered 6, and injured 12 people during the early 1900's. He was never caught in the entirety of his year and a half reign.
He is considered to be arguably the worst criminal in U.S History. He murdered at least twenty-one people, as well as committing countless felonies and burglaries from 1910-1928
This serial killer went by many names: The Bogeyman, the Gray Man, the Werewolf of Wysteria, the Brooklyn Vampire, and the Moon Maniac. He had 3 victims murdered from 1924- 1932 and ultimately suffered a death penalty in 1936 for his crimes.
The Gorilla Murderer's real name was Earle Leonard Nelson, who had a victim count of over 22 people. He was a convicted serial killer, rapist, and a necrophile. Earle was apprehended in 1927.
He was known as the Tacoma Ax-killer during the 1930's. He confessed to 12 murders, but it was speculated that there could've been as many as 46 murers total.
Mad Butcher of Kingsbury Run
This killer was never caught, and had 15 to 20 victims. He committed his crimes during the 30's in the U.S. He is also known as the Cleveland Torso Murderer and was an unidenified serial killer.
The Lipstick Killer
William Herirens was the name behind the infamous Lipstick Killer, a nickname given because of his lipstick-scrawled plea where he wrote, "For heaven's sake catch me before I kill more. I cannot control myself." He had 3 victims.
Harvey Murray Glatman
This killer photographed his victims before torturing, raping, and then murdering them. He was convicted of 3 murders, and suspected of another. He murdered from around 1957 to 1958.
This serial killer was a murderer and a body snatcher in the U.S during the Eisenhower era. He was a psychokiller and a necrophile who inspired three of the most terrifying films like "Psycho", "The Texas Chainsaw Massacre" and "The Silence of the Lambs". He had two victims officially attached to his name.
The Boston Strangler
This man, Albert DeSalvo, was known as the Boston Strangler and worked during the early 1960's. He murdered 13 different women. He was an internationally notorious killer during his reign of terror.
The Zodiac Killer
One of the most famous serial killers is the Zodiac Killer, who has puzzled the minds of police and society for a decade to now, where he still is an unidentified serial killer. Zodiac claimed to have murdered 37, but there are only 5 confirmed deaths and 2 injured. He is known for leaving cyphers and codes for authorities.
Henry Lee Lucas
The Deadly Drifter was a serial killer who murdered at least 11 people during the early 60's. He was also known as being the Confession Killer because he confessed to over 3,000 murders. However this claim was contradicted by verifiable sources and other inconsistencies.
The Manson family including Charles is said to have carried out 35 murders during the late 1960's. Charles Manson was a cult leader and one of the most infamous figures in U.S criminal history. The Manson Family Cult carried out numerous murderous campaigns during the 60's and became notorious for their serial killings.
John Wayne Gacy
The Killer Clown, John Wayne Gacy was a convicted serial killer and rapist of over 33 teenage boys. He killed these young men starting from around 1972 to 1978.
Ted Bundy was an American rapist, serial killer, kidnapper, necrophile, etc. He murdered at least 30 people during the 70's and became an infamous psychopath, one of the most famously regarded in U.S history.
Golden State Killer
The Golden State Killer was identified as Joseph James DeAngelo. This serial killer was also arapist, and a burglar who committed 12 murders, over 50 rapes, and more than 100 burglaries located in California.
Son of Sam
David Berkowitz was an American serial killer who murdered and shot 6, and injured 9 others. He pled guilty to at least eight separate shootings during 1976 in New York.
The Hillside Stranglers
These serial killers terrorized Los Angelels from 1977 to 1978. Firstly The Hillside Strangler, was revealed to be two different men. Their names were Kenneth Bianchi and Angelo Buono, and they received life in imprisonement as punishment for ten murders of young women.
Jeffrey Dahmer had the nicknames of the Milwaukee Cannibal and the Milwaukee Monster. Dahmer was a convicted American serial killer and sex offender. Ultimately, he raped, murdered, and also dismembered a total number of 17 men and boys. This lasted from 1978-1991
Green River Killer
This serial killer, necrophile, and rapist murdered 49 women and girls during the 1980's and 1990's in Washington. His name was Gary Ridgway and he is deemed the worst serial killer in U.S. history. He was so prolific that serial killer Ted Bundy was enlisted to help identify and capture him.
Richard Ramirez was also named, The Night Stalker. He was an American serial killer, rapist, and burglar during the 1980's committed his crimes from 1984 to 1985, and ultimately had around 14 murders.
Joel the Ripper
Joel the Ripper, or Joel David Rifkin is an American serial killer that killed women during the late 80's to early 90's. In 1994 he was ultimately sentenced to 203 years in prison. He murdered nine women between 1989-93.
Andrew Cunanan was a serial killer of five different people, including the famous fashion designer, Gianni Versace. He started his murder spree in 1997 and it lasted three months before committing suicide.
Harold Frederick Shipman was considered another one of the most prolific serial killers in recorded history. He was an English general practitioner and he was found guilty of 15 deaths of his patients, under his care. He has a total of at least 250 victims starting from 1975.