It's important to note that not all serial killers are addicted to drugs, and drug addiction is not a determining factor for someone becoming a serial killer. However, there have been some cases of serial killers who were known to use drugs at various points in their lives. Here are a few examples:
Jeffrey Dahmer: Jeffrey Dahmer, also known as the "Milwaukee Cannibal," was an American serial killer and sex offender who murdered and dismembered 17 men and boys between 1978 and 1991. Dahmer struggled with alcohol abuse and had a history of drug use, including alcohol, marijuana, and other substances.
Richard Ramirez: Richard Ramirez, also known as the "Night Stalker," was an American serial killer, rapist, and burglar. He terrorized Southern California between 1984 and 1985. Ramirez was a heavy drug user and was addicted to cocaine.
John Wayne Gacy: John Wayne Gacy, also known as the "Killer Clown," was an American serial killer who murdered at least 33 teenage boys and young men between 1972 and 1978. Gacy was known to abuse drugs, particularly marijuana.
Aileen Wuornos: Aileen Wuornos was an American female serial killer who killed seven men between 1989 and 1990. She was a sex worker and had a history of drug abuse, primarily involving alcohol and drugs like cocaine.
Randy Steven Kraft: Randy Steven Kraft was an American serial killer who was active between 1971 and 1983. He was convicted of 16 murders but is suspected of killing many more. Kraft was known to use drugs, including alcohol and various sedatives.
It's important to reiterate that drug addiction or substance abuse should not be used to excuse or explain the actions of these serial killers. Many people struggle with drug addiction without resorting to violence or criminal behavior. Serial killers are a complex subject, and multiple factors contribute to their actions, including psychological, sociological, and environmental factors.