
Ian Brady
Ian Duncan Stewart Brady became one of the United Kingdom's most infamous serial killers after carrying out the Moors Murders with Myra Hindley between 1963 and 1965. The pair murdered five children and concealed several victims on Saddleworth Moor, creating one of the most notorious criminal cases in British history. Regarded as the dominant figure in the partnership, Brady spent the remainder of his life imprisoned and became a symbol of extreme criminality in the United Kingdom.

Israel Keyes
Israel Keyes became one of America's most infamous serial killers after carrying out a series of meticulously planned murders across multiple states between 2001 and 2012. Unlike many serial offenders, Keyes travelled extensively, buried "kill kits" years in advance, and deliberately selected victims with no personal connection to him. Although he confessed to eight murders, investigators believe the true number of victims may never be known due to his suicide before revealing the full extent of his crimes.

Ivan Milat
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.

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.
James Huberty
James Huberty was an American mass murderer responsible for the 1984 San Ysidro McDonald's massacre in California. He opened fire inside the restaurant, killing multiple people and injuring many others. Huberty was shot and killed by police at the scene. The attack shocked the nation and led to increased attention on mass shootings and public safety measures in the United States.

Jeffrey Dahmer
Jeffrey Dahmer is one of the most disturbing figures in American criminal history, often dubbed the “Milwaukee Cannibal.” Between 1978 and 1991, he carried out a series of brutal murders involving necrophilia, cannibalism, and body preservation. His crimes shocked the world not only for their severity, but for how long he evaded capture.
Jesse Pomeroy
Jesse Pomeroy was an American juvenile murderer in the 1870s, known for torturing and killing young children. His crimes shocked the public due to his young age and extreme cruelty. Pomeroy was convicted and spent the rest of his life in prison. His case remains one of the earliest and most disturbing examples of juvenile serial murder in the United States.

Jim Jones
Jim Jones was an American cult leader and founder of the Peoples Temple, best known for orchestrating the mass murder-suicide in Jonestown, Guyana, in 1978. He established a following based on religious and social ideals, eventually relocating his group to a remote settlement where he exerted extreme psychological control over members. Jones’ leadership became increasingly authoritarian and paranoid, culminating in the deaths of over 900 people, including children, after he directed followers to consume a poisoned drink. The incident remains one of the largest mass deaths in modern history and cemented Jones as one of the most infamous cult leaders of all time.