. Sveik - yeah that apparently was the one successful escape from Canada.
In the UK a very few escaped - three got somewhere by saying:
Ah yes our accents... vell fee are Danish - Dansk - you see.....
They were picked up and carted around. I think the trade to Canada dried up after the Germans torpedoed a few of the transports ( happens in war - ho hum ). When one enigma machine was captured - ( so seldom I should be able to tell you which one it was ) . The captured men were segregated on the opposite side of the ship and then were secluded in special holding areas pending interrogation. None of them had noticed. I think that was Lemke's.
and they generated reports like this:
http://www.uboatarchive.net/U-454INT.htm
sorry if you feel this answer is off point