Behavioural Analysis

Villisca Murder House

Villisca Axe Murders

Villisca, Iowa, 1912: eight victims, one axe, zero convictions. Explore America's most chilling unsolved murder case.…
Ed Kemper

Edmund Kemper

At 15, he shot his grandmother to 'see what it felt like.' By his mid-twenties, Edmund Kemper had murdered his own mother and six…
Servant Girl Annihilator

The Servant Girl Annihilator

Before Jack the Ripper, Austin's Servant Girl Annihilator killed eight victims in their beds in 1884-1885 and was never caught…
Hinterkaifeck Murders

The Hinterkaifec Murders

In 1922, six were slaughtered at a remote Bavarian farmhouse and their killer stayed on, feeding the cattle and cooking meals for days."…
Cleveland Torso Murderer

The Cleveland Torso Murderer

Twelve dismembered bodies. Two names confirmed. Zero convictions. Inside Cleveland's most notorious unsolved murder series — and the 2024 genetic genealogy effort finally trying…
D.B. Cooper

D.B. Cooper

On November 24, 1971, a man calling himself Dan Cooper hijacked Flight 305, extorted $200,000, and parachuted into the night never to be found.…
Zodiac Killer

The Zodiac Killer

Zodiac Killer dossier: confirmed attacks, disputed suspects, and the 340-cipher finally cracked in 2020 but the killer's identity remains unsolved.…
ken barbie killers wedding

Folie à Deux Madness for Two

Folie à deux: inside the psychiatric condition where shared delusion binds two people into one closed, self-reinforcing reality…