His eccentric appearance , language proficiency and manner aroused suspicion .
While on a personal mission from Winston Churchill in Belgium , Herbert was arrested in 1944 by Canadian military police in a Ghent bar , on suspicion of being a spy .
Herbert 's eccentric appearance , language proficiency and manner aroused suspicion .
While on a personal mission from Winston Churchill in Belgium , Herbert was arrested in 1944 by Canadian military police in a Ghent bar , on suspicion of being a spy .