Known as the Muswell Hill Murderer, Dennis Nilsen is one of Britain’s most chilling serial killers. Between 1978 and 1983, Nilsen lured young men into his London flats, where he carried out brutal murders — often keeping the bodies for days, sometimes longer.

In this episode of Unlawful Acts, we uncover:

How Nilsen evaded police for years while killing at least 15 men

The disturbing details of his obsession with the dead

The shocking discovery that led to his capture

What made him one of the UK’s most terrifying predators

This is the haunting story of Dennis Nilsen — a man who hid his darkest secrets behind the closed doors of suburban London.

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