Valkyrie (2008)

Philipp von Schulthess: Tresckow's Aide

Quotes 

• [after learning that the case of Cointreau bottles, actually a bomb in disguise, that he handed to Colonel Brandt, had failed to go off on Hitler's plane, Tresckow contacts Brandt that he would be coming to Army Headquarters to retrieve it on the pretense that the case of bottles were the wrong ones] 

  Tresckow's Aide : Do you think he knows?

  Henning von Tresckow : There's only one way to find out.