Dina Temple-Raston is NPR’s counterterrorism correspondent. She has been covering terrorism since 2005 when she began research on a suspected al-Qaeda sleeper cell in America known as the Lackawanna Six. Her book on the subject, “The Jihad Next Door: Rough Justice in the Age of Terror,” was published in 2007. She has written four books. She has reported from nearly 50 countries including Yemen, Afghanistan, Iraq and Pakistan for National Public Radio. She was awarded a Nieman Fellowship at Harvard in 2013 and has just concluded a year researching the intersection of Big Data and intelligence.