He was not promptly returned to Luftwaffe custody to be sent back to prison camp as was the established practice .
Instead he was taken by his captors to Karlsruhe Kriminalpolizei prison under the control of Oberregierungsrat Josef Gmeiner head of the Karlsruhe Gestapo .
He was not promptly returned to Luftwaffe custody to be sent back to prison camp as was the established practice but instead he was taken by his captors to Karlsruhe Kriminalpolizei prison under the control of Oberregierungsrat Josef Gmeiner head of the Karlsruhe Gestapo .