Hit by flak after bombing the target of Friedrichshafen, GR on 18 Mar 1944, B-24H #42-7618 'Scourge of the Skies' headed towards Switzerland and landed at Dubendorf.



Culler was interned and detained at Adelboden internment camp. On 12 May 1944, he along with some colleagues attempted to escape, but after eating some unfamiliar berries which made him sick and he was forced to return to the camp the same night.



Upon return to Adelboden, Culler he was subjected to strict arrest for 10 days before being transferred to Wauwilermoos to await military tribunal for attempted escape. At Wauwilermoos Culler was subjected to horrific conditions and repeated sexual abuse by camp staff, which he described in his memoir: the Black Hole of Wauwilermoos, in 1995.



50 years after his detention, Swiss President, Kaspar Villager personally apologised to Culler for his treatment during the Second World War.