Four teen boys found a skull nestled in a withering tree - sparking an 81-year murder mystery CHILLING END ‘Black magic’ slaughter or murdered Nazi spy? Why bizarre killing of ‘Bella in the Wych Elm’ may never be solved A TANGLED web of wartime espionage and black magic remains at the centre of a gruesome murder mystery - 81 years after a skull was found stashed in a tree. The chilling tale began in April 1943 as war-ravaged Britain grappled with air raids and strict food rationing. 6 The skull was found in a tree in 1943 6 Four teen...