
Michael Paul Brown
Michael Paul Brown became known after carrying out the deadly Owl Bar shooting in Montana, killing four people during a violent attack that shocked the local community. The massacre unfolded inside and around the Owl Bar in Anaconda, Montana, where Brown targeted victims connected to a long-running personal dispute before fleeing the scene. Authorities described Brown as a heavily armed and dangerous suspect whose actions triggered a large-scale manhunt and emergency lockdowns across the region. The case generated widespread media coverage because of the sudden brutality of the attack, the multiple homicide victims and the dramatic police confrontation that followed shortly afterward.
Michael Ryan
Michael Ryan was a British mass murderer responsible for the 1987 Hungerford massacre in England. Armed with multiple firearms, he carried out a series of shootings across the town, killing numerous victims. Ryan ultimately died by suicide following a police standoff. The incident led to significant changes in UK gun laws and remains one of the most impactful mass shootings in British history.

Myra Hindley
Myra Hindley became one of the United Kingdom's most notorious child killers after participating in the Moors Murders with Ian Brady between 1963 and 1965. Together, they abducted, sexually assaulted, tortured, and murdered five children before burying several victims on Saddleworth Moor in northern England. Hindley's role in the murders, coupled with her decades of denied parole and widespread public hatred, cemented her place as one of Britain's most reviled criminals.

Obdulia Sanchez
Obdulia Sanchez became the subject of international attention after livestreaming a 2017 DUI crash that killed her 14-year-old sister, Jacqueline Sanchez, in Los Banos, California. Prosecutors alleged Sanchez had been driving under the influence at high speed when she lost control of the vehicle, resulting in Jacqueline's death and serious injuries to another passenger. After serving time in custody and being released, Sanchez was fatally shot in a drive-by shooting in Stockton, California, in December 2025.
Patrick Kenniff
Patrick Kenniff was an Australian bushranger who gained notoriety in the late 19th century for violent crimes committed across Queensland. Alongside his brother, he engaged in cattle theft and evaded authorities in remote rural regions, building a reputation as a dangerous outlaw. His name became widely known following the murders of Constable George Doyle and station manager Albert Dahlke in 1902. After a large-scale manhunt, Kenniff was captured and brought to trial. Despite maintaining his innocence, he was convicted and sentenced to death. His execution marked one of the final chapters of Australia’s bushranger era, leaving behind a legacy tied to both outlaw folklore and brutal violence.

Peter Sutcliffe
Peter William Sutcliffe, known worldwide as the "Yorkshire Ripper," became one of the United Kingdom's most infamous serial killers after murdering 13 women and attempting to murder seven others between 1975 and 1980. Operating across Yorkshire and Greater Manchester, Sutcliffe evaded capture for more than five years despite one of the largest police investigations in British history. His crimes generated widespread fear, exposed major investigative failures, and permanently changed homicide investigations in the United Kingdom.
Richard Biegenwald
Richard Biegenwald was an American serial killer responsible for multiple murders in New Jersey during the 1970s and 1980s. He targeted young women and maintained a pattern of violent behavior over several years. Biegenwald was eventually arrested and convicted, receiving multiple life sentences. He died in prison in 2008, and his case remains a significant example of serial murder in the northeastern United States.
Richard Hickock
Richard Hickock was one of the perpetrators of the 1959 Clutter family murders in Kansas, a crime that became widely known through the book "In Cold Blood." Alongside Perry Smith, he carried out the killings during a robbery. Hickock was arrested, convicted, and executed in 1965. The case remains one of the most famous murder cases in American history and significantly influenced true crime literature.