Gary Green
Gary Green was an American man convicted of the murders of his estranged wife and her young daughter in Texas. The killings were carried out in a violent domestic incident that shocked the community. Green was sentenced to death and later executed in 2023. His case is one of several high-profile executions in Texas involving domestic violence-related murders.
Gary Hilton
Gary Hilton is an American serial killer known as the "National Forest Serial Killer," responsible for the murders of multiple victims in remote forest areas in the southeastern United States. Hilton was arrested and later convicted of several murders. He received a death sentence and remains on death row. His crimes are notable for targeting hikers and outdoor enthusiasts.
Gary Ray Bowles
Gary Ray Bowles was an American serial killer known as the "I-95 Killer," responsible for the murders of multiple men across several states in the 1990s. His victims were targeted along the Interstate 95 corridor. Bowles was eventually arrested, convicted, and sentenced to death. He was executed in 2019, and his case remains one of the most notable serial murder cases involving interstate crime patterns in the United States.

H.H. Holmes
Herman Webster Mudgett, better known as H.H. Holmes, became one of America's earliest infamous serial killers after carrying out a series of murders during the late nineteenth century. Operating from a specially designed building in Chicago that later became known as the "Murder Castle," Holmes used deception, fraud, and false identities to lure victims. Although he confessed to 27 murders before his execution, historians believe the true number of victims remains uncertain. His case remains one of the most famous in American criminal history.

J.J Keeding
Justin Jason Keeding, widely known as the “Little Merchant Killer,” became one of the more notorious robbery-murder offenders of the early twentieth century after being linked to violent attacks against rural merchants and storekeepers. Operating during the 1920s, Keeding allegedly targeted isolated business owners in smaller communities, earning his nickname through repeated attacks connected to robbery and financial gain. The case generated significant regional media attention during the era because of the fear surrounding traveling offenders targeting small-town businesses. Authorities portrayed Keeding as a violent drifter willing to kill during robberies, while newspapers sensationalized the crimes through dramatic reporting common during the period. His eventual death in 1926 closed a violent criminal chapter that remained part of regional crime history for years afterward.

John Christie
John Reginald Halliday Christie became one of the United Kingdom's most infamous serial killers after murdering multiple women, including his wife, at his home in Notting Hill, London, during the 1940s and early 1950s. His crimes, committed at 10 Rillington Place, led to one of Britain's greatest miscarriages of justice when Timothy Evans was wrongly convicted and executed before Christie's guilt was uncovered. The case remains one of the most significant in British criminal history.
John Haigh
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.

John Wayne Gacy
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.