Growing up in the 1990s, Abdurahman Khadr's playmates were the children of his father's longtime friend, Osama bin Laden. How Khadr was raised to be an Al Qaeda terrorist--and how he ultimately found himself working for the U.S.--is the focus of FRONTLINE's "Son of Al Qaeda." Through interviews with Khadr as well as his mother and siblings, the documentary recounts his incredible journey from terrorist upbringing to CIA informant, offering a revealing glimpse inside the mindset of an Al Qaeda family.