As night began to fall on 31 August, 1939, a small, hand-picked team of SS troops crept into the then German city of Gleiwitz. Disguised as Polish saboteurs, their mission was to launch an attack on the city's main radio station to give Nazi dictator Adolf Hitler a justification for invading Poland. It was part of what was codenamed Operation Himmler - the false flag attacks carried out by the Fuhrer's military intelligence service the Abwehr, along with the feared SS and the Gestapo to give the impression of Polish aggression towards Germany. Entering through the back door, they locked...