CIA

John Kiriakou is a former CIA officer specializing in counterterrorism. He was named the chief of CIA counterterrorism operations in Pakistan in 2002.

Mohamedou Ould Slahi was imprisoned without charge at Guantanamo Bay for nearly 15 years.

Ould Slahi speaks to Business Insider about the prison layout, the facilities, the food, and yard time. He reveals what torture methods were used and how guards interacted with detained people.

The former CIA counterterrorism officer John Kiriakou looks at counterterrorism scenes in movies and TV and breaks them down for realism.

Andrew Bustamante spent seven years working covertly as an officer in the Central Intelligence Agency. The CIA recruited him while he was applying to join the Peace Corps after leaving the US Air Force. Bustamante possesses an intimate knowledge of the intelligence community's inner workings.