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The Wall Street Journal

One morning during the presidency of George H.W. Bush, Jonna Mendez, then the CIA’s chief of disguise, entered the White House wearing a mask. She had originally disguised herself as an African-American man but decided that mask wouldn’t work, not least because her voice would give her away. Instead, she borrowed the face of a female colleague. “It was a little nerve-racking,” she recalls. “I hadn’t really worn it anywhere.”