United States. Central Intelligence Agency

In a new book, author Scott Anderson chronicles the formative years of America's spy agency by focusing on four soldiers who became intelligence agents after World War II.

Author David Rohde refutes Trump's claims about a "deep state" — and argues that the president is the one creating a parallel shadow government filled with like-minded loyalists.

Greg Miller of The Washington Post reveals the hidden history of Crypto AG, a Swiss firm that sold encryption technology to 120 countries — but was secretly owned by the CIA for decades.

Stephen Kinzer's new book 'Poisoner in Chief' is about the CIA's secret experiments with LSD in the 50s and 60s in search of a drug that could be weaponized to control the minds of enemies. It's also about the man who who led it.