Complex sentence: A native of Bergen, Hagelin was sentenced to death during the Norwegian post-war trials, and put in front of a firing squad at Oslo's Akershus Fortress, where many of the 37 individuals condemned for treason and war crimes were executed.
Split into simpler sentences: A native of Bergen, Hagelin was sentenced to death during the Norwegian post-war trials. He was firing squad at Oslo's Akershus Fortress, where many of the 37 individuals condemned for treason and war crimes were executed.