He was Britain's most prolific teenage killer, yet history forgot him. Stephen Akinmurele murdered five elderly strangers before age 21, just because he could. He never stood trial. Discover the forgotten evil of the "cul-de-sac killer" [citation:10].

Nicholas Browning, a 15-year-old Boy Scout, appeared to be the perfect son. After a sleepover with friends, he returned home and executed his entire family, believing he could get away with murder. His chilling plan revealed a dark truth hidden behind a suburban facade.

A "perfect murder" case shattered when contaminated DNA flipped the verdict twice. From lab errors and technician fibers to evidence planted too neatly, these chilling stories reveal how forensic mistakes freed the guilty and imprisoned the innocent. Justice hangs by a thread.

Between 1975 and 1983, Paweł Tuchlin terrorized Gdańsk, Poland, as "The Scorpion." He attacked twenty women with a hammer, killing nine and sexually assaulting all victims. His greed for piglets finally led police to his farm, ending his reign. He was executed in 1987.

A single predator unleashed terror across multiple small towns, leaving communities shattered and authorities scrambling. This episode explores how one killer's reign of fear exposed the vulnerability of rural America and changed criminal investigation forever.

Arthur Hutchinson butchered three family members hours after their daughter's wedding, then raped her. This "Most Evil Killers" episode explores his 1983 massacre that shook Britain.

A drug-fuelled argument turned deadly when a couple executed their grandparents in a brutal attack. From a South African man who bludgeoned them with an axe for drug money to cases of grandparents killed after disputes, these tragedies reveal addiction's devastating toll.

From Bundy's charm to Bonin's freeway terror, America's worst serial killers reveal humanity's darkest depths. Experts dissect their twisted minds in this chilling documentary series.

Sante Kimes and her son Kenny were dubbed "Mommy and Clyde" for a murder spree spanning decades. With 117 charges against them, they killed a New York socialite, a businessman, and more. Their greed-driven crimes shocked the nation. This is their evil story.

A 31-year-old Vietnamese woman was stabbed to death in a Singaporean housing block following a years-long noise dispute with her neighbor over her young children's play. Despite her efforts to seek mediation, the neighbor refused to respond, and a routine morning escalated into a fatal knife attack that left her husband seriously injured. This tragic case reveals how unchecked disputes can turn lethal.