Josef Jakobs SW3, on 4–5 August 1941. The trial was held "in camera" because the German agent had been apprehended in a highly classified intelligence operation known as the Double Cross System. The British were aware that Jakobs was coming because his arrival information had been passed on to MI5 by the Welsh nationalist and "Abwehr" double agent Arthur Owens. After a two-day trial which involved hearing the testimony of eight witnesses, Jakobs was found guilty of spying and sentenced to death. Jakobs's execution took place at the miniature rifle range in the grounds of the Tower of London on 15 August
Cornelius Jakobs Cornelius Jakobs Metropolitan Cornelius (, or secular name Vjatšeslav Vassiljevitš Jakobs, or Vyacheslav Vasilyevich Yakobs, ; 19 June 1924, Tallinn – 19 April 2018, Tallinn) was an Estonian metropolitan bishop of Tallinn and All Estonia, the head of the Estonian Orthodox Church of Moscow Patriarchate. Cornelius was born on 19 June 1924 in Tallinn into the family of a Russian army colonel. After the Russian Revolution in 1917, the family had emigrated to Estonia. In 1943, he finished school and served as a psalm reader in the Church of the Nativity of the Mother of God in Tallinn. On 19