Saudi Arabia offers few prospects for the bright young Mohammed El-Gharani. With roots in Chad, Mohammed is treated like a second-class citizen. His access to healthcare and education are restricted; nor can he make the most of his entrepreneurial spirit. At the age of 14, having scraped together some money as a street trader, Mohammed seizes an opportunity to study in Pakistan. One Friday in Karachi, Mohammed is detained during a raid on his local mosque. After being beaten and interrogated, he is sold to the American government by the Pakistani forces as a member of Al-Qaida with links to...