The Plot Thickens
A submarine took the body out to sea. Then, "Major Martin", the man who never
was, was slid into the murky Atlantic waters off the coast of Huelva, Spain.
Attached the courier's coat was a briefcase which contained the components of
the hoax. Shortly thereafter, the Spanish Embassy informed British that the 
body had been recovered. But Commander Montagu learned that the important 
documents had already been scrutinized and later resealed so that the British
would not suspicious. The secret information was transmitted to the German High
Command, by a labyrinth of underground networks, to be evaluated. Now the true
test of months of assiduous planning would come--the question remained, would
the Germans swallow the bait?

to turn the tables-- The wrestler thought that he could pin me to the mat,
but I quickly turned the tables on him.
(to turn a situation to your own advantage)