The question “Who put Bella in the Wych Elm?” remains one of the most chilling and enduring mysteries in British criminal history. Part murder case, part urban legend, part wartime riddle, it has fascinated investigators, writers, and true crime audiences for more than 80 years.

At the heart of the mystery is the discovery of a woman’s skeletal remains hidden inside a hollow wych elm tree in Hagley Wood, Worcestershire, in 1943. Soon afterward, eerie graffiti began appearing on walls nearby, asking the now-famous question that would immortalise the case.

But despite decades of investigation, public fascination, and countless theories involving local criminals, occult ritual, and Nazi spies, the identity of “Bella” has never been confirmed.

On 18 April 1943, four local boys entered Hagley Wood, reportedly to go bird-nesting or poaching on land owned by Lord Cobham. One of them climbed a large wych elm tree and peered into its hollow trunk, expecting to find a nest.

Instead, he found a human skull.

At first, the boys thought it was an animal remains. But when they noticed clumps of hair and human teeth, they realised they had stumbled upon something horrifying. Afraid of getting into trouble for trespassing, they initially kept quiet and returned the skull to the tree. Eventually, one of the boys told his parents, and police were called.

When officers examined the hollow tree, they discovered an almost complete skeleton stuffed inside the trunk, along with a shoe, fragments of clothing, and a gold wedding ring.

It was one of the most disturbing discoveries in British true crime history.