Each month ex-cop Nicky Alan teams up with her spirit guides to investigate an unsolved mystery. Here, she delves into what really happened when Queen of Crime Agatha Christie went missing for 11 days

A mother vanished at sea, her son – rescued after eight days – said it was an accident, but as a popular new Netflix film examines the evidence, it raises questions about another family death...

Melody Hoffman, 20, loved unconditionally. She thought of others and even animals before herself and navigated the world with an endearing innocence. An intellectual disability meant she was mentally

A MURDERER WAS FOUND AFTER LEAVING TRACE EVIDENCE UNDER HIS VICTIM’S FINGERNAILS

The only clue to find a killer was some footprints in the snow

Beneath the brightly wrapped gifts lay a grim and heartbreaking discovery