Some of these cases ended at the gallows. Others still wait for a name.
Five cases. Five very different killers and mysteries. One disturbing journey into the darker corners of true crime.
In a Scottish ravine, the dismembered remains of two women lead detectives towards Dr Buck Ruxton and one of Britain's landmark forensic investigations.
Decades later, armed men terrorise Belgium in a series of apparently senseless attacks. They become known as the Brabant Killers — and their identities remain one of Europe's most troubling unsolved mysteries.
In Tokyo, an entire family is murdered inside their own home. The killer leaves behind an extraordinary amount of evidence, yet the Setagaya family murders remain unsolved.
In wartime Paris, police discover what lies behind the doors of Dr Marcel Petiot's property and uncover crimes whose true scale may never be known.
And long before Jack the Ripper entered history, Frederick Bailey Deeming left a trail of deception, disappearance and murder stretching across continents.
Detective Files #3 reconstructs five extraordinary investigations, following the victims, detectives, forensic breakthroughs, suspects and evidence without turning speculation into fact.
Some of these cases ended at the gallows. Others still wait for a name.
Because catching a killer and discovering the truth are not always the same thing.