John Walker Lindh was released on Thursday after 17 years in federal prison. He was known as the American Taliban, captured on the battlefield in Afghanistan. When he was 16, Lindh converted to Islam, left his home in Marin County and traveled to Afghanistan. Now that he’s out of prison, he’ll be monitored closely so officials could see if he still has an affinity for radical Islam. Journalist Graeme Wood spoke with Lindh when he was in prison.