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

JANUARY 1966

WHEN TWO MEN WERE FOUND DECAPITATED, NO ONE SUSPECTED AN UNASSUMING TEENAGER

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

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

This week’s crime story...