He also “cleverly” warned the officer the dangers of being too ambitious with one of his trademarked Force chokes.
Orson Krennic may have been Rogue One’s main antagonist, but Darth Vader made sure to keep the Director of Advanced Weapons Research in his place.
At the end of the movie, Vader unleashed his dark side fury on unfortunate Rebel soldiers, be he was unsuccessful in seizing the stolen Death Star plans.