Unknown Killers

Shane Devon Tamura became the perpetrator of one of New York City's deadliest shootings in decades after opening fire inside a Midtown Manhattan office tower on July 28, 2025. The attack killed four people and injured several others before Tamura died by suicide. Investigators concluded that he had intended to target the National Football League (NFL) headquarters housed within the building and found writings indicating grievances related to chronic traumatic encephalopathy (CTE), although the full motive remains under investigation.

The Tammi Pointer Killers refers to the group of six offenders responsible for the abduction, prolonged assault, murder, and burning of 18-year-old Alishah "Tammi" Pointer in Gary, Indiana, in October 1990. The offenders acted together throughout the crime, which culminated in Pointer being set on fire while still alive. The case remains one of Indiana's most notorious group murders because of its extreme violence, multiple perpetrators, and the lengthy prison sentences imposed following their convictions.

Thayne Ormsby is an American man convicted of a 2010 triple homicide in Maine. At the age of 20, he carried out a violent attack resulting in multiple deaths within a single incident. He was later arrested, convicted, and sentenced to life imprisonment without the possibility of parole.

Tristan Roberts became the subject of a major homicide investigation after murdering his mother, Angela Shellis, at Coed y Morfa nature reserve near Prestatyn, North Wales, in October 2025. Following an extensive police investigation, Roberts was convicted of murder at Mold Crown Court in 2026 and sentenced to life imprisonment with a minimum term before parole eligibility.

Vickrum Digwa became known in British criminal history after the murder of 18-year-old university student Henry Nowak in Southampton, England, on December 3, 2025. Prosecutors argued Digwa fatally stabbed the first-year University of Southampton student during a confrontation before attempting to portray himself as the victim when police arrived at the scene. The case attracted national attention because of the circumstances surrounding the stabbing and the controversy that followed. During the investigation and trial, prosecutors alleged Digwa falsely claimed Henry had attacked him and subjected him to racial abuse. The jury rejected those claims and convicted Digwa of murder. Public discussion later expanded beyond the killing itself to include the initial police response, which became the subject of significant scrutiny and debate across the United Kingdom.