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...

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

She fought to save her son but paid a terrible price

TO Jon’s surprise, Mr Pringle agreed to speak to him in the snug. Once they were seated there, Jon spoke quietly. “I’m a stranger here, and I want to keep an open mind. “So it would help if you could

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

Beneath the brightly wrapped gifts lay a grim and heartbreaking discovery