Classification - Serial Killer

Gary Ridgway (Green River Killer)
Gary Ridgway, known as the “Green River Killer,” is an American serial killer responsible for the murders of dozens of women in Washington State during the 1980s and 1990s. He targeted vulnerable individuals, often sex workers and runaways, and became one of the most prolific serial killers in U.S. history. Ridgway evaded capture for nearly two decades before advances in DNA technology led to his arrest in 2001. He later pleaded guilty to multiple counts of murder and received numerous life sentences, ensuring he would remain imprisoned for the rest of his life.

Herbert Mullin (The Killer of Santa Cruz)
Herbert William Mullin became one of California's most infamous serial killers after murdering 13 people in and around Santa Cruz between October 1972 and February 1973. Mullin later claimed he believed the killings were necessary to prevent catastrophic earthquakes, a delusion linked to severe mental illness. His short but deadly murder spree ended with his arrest in February 1973, and his case remains one of the most widely studied examples of psychosis and serial homicide in the United States.

Jack the Ripper
Jack the Ripper is an unidentified serial killer responsible for a series of murders in the Whitechapel district of London in 1888. His crimes shocked Victorian society and became one of the most infamous unsolved cases in criminal history. Operating over a short but intense period, the killer targeted vulnerable women and carried out highly violent attacks before disappearing without identification. His ability to evade capture, combined with the brutality of the crimes and widespread media attention, has cemented his place as one of history’s most enduring criminal figures.

Zodiac Killer
The Zodiac Killer is an unidentified serial killer who operated in Northern California during the late 1960s and early 1970s. He is linked to multiple murders and attacks, primarily targeting young couples in secluded areas. The case became widely known due to the killer’s cryptic letters and ciphers sent to newspapers, in which he claimed responsibility and taunted law enforcement. Despite extensive investigation, his identity remains unknown, making him one of the most infamous unsolved serial killers in history.

Dennis Rader (BTK Killer)
Dennis Rader, known as the BTK Killer (Bind, Torture, Kill), is an American serial killer who murdered ten victims in Kansas between 1974 and 1991. He targeted individuals in their homes, carrying out controlled and methodical attacks. Rader evaded capture for decades while maintaining a normal public life. His case gained notoriety due to his communication with media and law enforcement, and his eventual capture in 2005 following a forensic breakthrough.

Ivan Milat (Australian Backpacker Murderer)
Ivan Milat was an Australian serial killer responsible for the murders of multiple backpackers in New South Wales between 1989 and 1992. His crimes became one of the most notorious cases in Australian criminal history. Milat targeted travellers and used deception to gain their trust before carrying out violent attacks. He was later convicted and sentenced to life imprisonment without parole, remaining incarcerated until his death in 2019.

David Berkowitz (Son of Sam)
David Berkowitz, known as the “Son of Sam,” is an American serial killer responsible for a series of shootings in New York City between 1976 and 1977. His crimes created widespread fear and led to one of the largest manhunts in the city’s history. Berkowitz gained notoriety for sending letters to police and media, claiming responsibility for the attacks. He was later arrested, confessed, and sentenced to multiple life terms.

Richard Ramirez (Night Stalker)
Richard Ramirez, known as the “Night Stalker,” was an American serial killer who carried out a series of murders and attacks across California between 1984 and 1985. His crimes were marked by unpredictability, extreme violence, and a lack of a consistent victim profile. Ramirez created widespread fear due to the random nature of his attacks and his ability to evade capture for an extended period. He was later convicted of multiple murders and sentenced to death, becoming one of the most infamous serial killers in U.S. history.