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
Uprising in Montenegro (1941) not reoccupied. This allowed insurgents to obtain easier communication, supply and other activities. After the setback caused by the Italian counteroffensive, toward the end of 1941, the insurgents recovered and resumed with their activities. On 1 December, the Partisan forces attacked Pljevlja but failed to capture it and retreated after suffering heavy casualties. Partisan forces counted 203 killed and 269 wounded soldiers. Many partisans deserted their units and joined the Chetniks. Following their defeat in the Battle of Pljevlja, partisans terrorized people, plundered villages and executed captured Italians, party "sectarians" and "perverts". The Battle of Pljevlja was the last major