unmasked
v. B2 Upper Intermediate US //ənˈmæskt// UK //ʌnmˈɑːskt// un·masked
v. to remove a mask from someone's face or to reveal a secret identity. It can also mean to show that someone is not who they seem to be.
v. to remove a mask or other covering from the face; by extension, to reveal a hidden identity or true nature. Often used in the passive voice to describe the exposure of a fraud or secret.
The hero unmasked the villain at the end of the movie.
After years of hiding his true intentions, the politician was finally unmasked by a leaked email.
The detective's final piece of evidence served to unmask the entire conspiracy, proving that the suspects had been working for a foreign government all along.