United States. Central Intelligence Agency

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.

As the investigation into Russia's interference in the 2016 presidential election continues, more and more attention has focused on the infamous Russia dossier on Donald Trump compiled by former British spy Christopher Steele.

George Crile is a veteran producer for CBS's 60 Minutes and 60 Minutes II. He's the author of the new book, Charlie Wilson's War: The Extraordinary Story of the Largest Covert Operation in History. It's about the CIA's secret war in Afghanistan in the 1970s and 1980s, and its support of the Afghan Mujahideen against the Soviet Union. Ammunitions and weapons were smuggled across the border and at one point over 300,000 fundamentalist Afghan warriors carried weapons provided by the CIA.

Charlie Wilson is a retired congressman and the subject of the book Charlie Wilson's War. It's about the secret CIA operation arming the Afghan Mujahideen against the Soviet Union. Wilson left office in 1996 after 24 years in office. He is now a lobbyist and one of his main clients is Pakistan.

In the '60s, the CIA began a secret program that aimed to curb Communism by arming and training local fighters in Laos. Author Joshua Kurlantzick calls it "the largest covert operation in US history."

The CIA has morphed from a traditional espionage service concerned with stealing the secrets of foreign governments into an organization consumed with hunting down its enemies. New York Times journalist Mark Mazzetti chronicles this transformation in a new book, The Way of the Knife.