Mental Profile - Psychopathy

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.

Charles Manson
Charles Manson was an American cult leader and criminal who orchestrated a series of murders in California in 1969 through members of his group, known as the Manson Family. Although he did not personally carry out the killings, he directed and influenced his followers to commit them. Manson became one of the most infamous figures in criminal history due to his ability to manipulate others into violence. His case remains a defining example of psychological control, group influence, and orchestrated multiple homicide.

Chris Watts (Frederick CO, Family Annihilator)
Chris Watts is an American family annihilator who murdered his immediate family in Colorado in 2018. His case gained widespread attention due to the contrast between his outward image as a quiet family man and the calculated nature of his actions. Watts initially attempted to mislead investigators and the public before confessing. He later pleaded guilty to multiple counts of murder and received multiple life sentences without the possibility of parole.

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.

John Wayne Gacy (Killer Clown)
John Wayne Gacy was an American serial killer and sex offender who murdered multiple victims in Illinois during the 1970s. He became widely known for maintaining a public image as a community figure while committing crimes in secret. Gacy’s case gained notoriety due to the scale of his offences and the contrast between his outward persona and his actions. He was later convicted and sentenced to death, becoming one of the most infamous serial killers in U.S. history.