" No, she did not denounce the impostor, but indubitably she made him aware that she knew he was not Eric Hagh. She may have done so merely by the way she looked at him, or she may have asked him some naive and revealing question. In any case, he knew he was in deadly peril from her, and he acted quickly and audaciously—and with dexterity, taking her keys from her bag. No, he is not a bungler, but— "

― Rex Stout , Prisoner's Base (Nero Wolfe, #21)