Complex sentence: In 1943 German counter intelligence located a radio transmitter of his resistance network, and twenty members of the network were arrested, including Gilbert Bostarron; after a military trial he was shot at the fort at Bondues on 20 January 1944.
Split into simpler sentences: In 1943 German counter intelligence located a radio transmitter of his resistance network, and twenty members of the network were arrested, including Bostarron. After a military trial he was shot at the fort at Bondues on 20 January 1944.