Mass Murderer Killers

Charles Cullen is an American serial killer and former nurse who murdered numerous patients across multiple hospitals over a span of years. He used his medical position to administer lethal doses of drugs. Cullen was eventually arrested after suspicions arose regarding patient deaths. He confessed to multiple killings and was sentenced to life imprisonment, with his case considered one of the most prolific medical serial killing cases in U.S. history.

Richard Biegenwald was an American serial killer responsible for multiple murders in New Jersey during the 1970s and 1980s. He targeted young women and maintained a pattern of violent behavior over several years. Biegenwald was eventually arrested and convicted, receiving multiple life sentences. He died in prison in 2008, and his case remains a significant example of serial murder in the northeastern United States.

John Haigh, known as the "Acid Bath Murderer," was a British serial killer who murdered victims and disposed of their bodies using sulfuric acid in the 1940s. He targeted wealthy individuals and used fraud to gain access to their assets. Haigh was eventually arrested and convicted after investigators uncovered evidence of his crimes. He was executed in 1949, and his case remains one of the most infamous murder cases in British history.

Mikhail Popkov is a Russian police officer known as 'The Werewolf' for committing multiple murders in the city of Irkutsk, Russia.

Dayton Rogers is an American serial killer known as the "Molalla Forest Killer," responsible for multiple murders in Oregon during the 1980s. He targeted women and disposed of their bodies in remote forest areas. Rogers was eventually arrested and convicted, receiving multiple life sentences. His case remains one of the most notable serial murder cases in Oregon history.

Ronald Dominique is an American serial killer known as the "Bayou Strangler," responsible for the murders of multiple men in Louisiana. He lured victims with promises of work or accommodation before killing them. Dominique was eventually arrested and confessed to numerous murders. He was convicted and sentenced to life imprisonment, with his crimes highlighting the vulnerability of marginalized individuals.

Peter Scully is an Australian criminal convicted of extreme crimes involving abuse and murder in the Philippines. His case gained international attention due to the severity and disturbing nature of the offenses. Scully was arrested and later convicted, receiving multiple life sentences. His case remains one of the most notorious examples of international criminal exploitation and violence.

Stacey Castor was an American woman convicted of murdering her husband and attempting to frame her daughter for the crime. She used poison as the method, leading to her nickname "The Black Widow." Castor was arrested and convicted, receiving a prison sentence. She died in custody in 2016. Her case is notable for the manipulation and deception involved in the crimes.