Who put Bella in the Wych Elm? a tree. He died in the hospital before the body in the wych elm was found. The likelihood of this being the correct explanation is questioned because Una Mossop did not come forward with this information until more than 10 years after Jack Mossop's death. Another theory comes from an MI5 declassified file about Josef Jakobs - the last man to be put to death in the Tower of London on 15 August 1941. An Abwehr agent, he parachuted into Cambridgeshire in 1941 but broke his ankle when landing and was soon arrested by the Home Guard. On his person
Josef Jakobs 16 December 1942. Jakobs was taken to Ramsey Police Station before being transferred to Cannon Row Police Station in London, where he gave a voluntary statement to Major T.A. Robertson of MI5. Due to the poor condition of his ankle, Jakobs was transferred to Brixton Prison Infirmary for the night. The following day he was briefly interrogated by Lieutenant Colonel Stephens of MI5 at Camp 020 before being transferred to Dulwich Hospital where he remained for the next two months. Jakobs' court martial took place in front of a military tribunal at the Duke of York's Headquarters in Chelsea, London