How a seemingly ordinary girl transformed into one of the most evil women ever

Few criminal cases in British history have left as deep and lasting a scar on public consciousness as the story of Fred and Rose West. For over two decades, the couple carried out a series of violent crimes against some of the most vulnerable people imaginable — including members of their own family — while maintaining the outward appearance of an ordinary household in Gloucester, England.

This is the story of Rosemary West: how she came to be, what shaped her, and how one of the most disturbing criminal partnerships in modern history finally came to light.

A Childhood Far From Ordinary

Rosemary Letts was born in North Devon in 1953, the fifth of seven children. From the outside, the Letts family appeared unremarkable — her father Bill had served in the Royal Navy and was considered polite and presentable, while her mother Daisy was described by neighbors as quiet and gentle.

But the reality inside the family home was far more complicated.

Before Rosemary was even born, her mother Daisy was hospitalized for severe depression and underwent electroconvulsive therapy (ECT) — a medical treatment involving electrical stimulation of the brain, used at the time to treat serious psychiatric conditions. Remarkably, this treatment continued while Daisy was pregnant with Rosemary, right up until days before the birth.

Whether this had any measurable effect on Rosemary’s early development is impossible to know with certainty, but from her earliest days, those around her noticed unusual behaviors. As an infant, she would rock her head for hours at a time. Her siblings complained that she would bang her head rhythmically against her cot through the night. As she grew older, she would fall into long, trance-like states, swaying back and forth as if lost somewhere no one else could reach.