He contributes to Pakistan Times, The New York Times, and Radio France International. He is a specialist in India-Pakistan relations and their impact on the international political/strategic system. His specialties include global jihad, Kashmir jihad, Afghan jihad, the Pakistani army, Islamist education (the madrassa system), and Islamist/jihadist politics and groups. He is the author of Shadow War: The Untold Story of Jihad in Kashmir (Melville House, 2009), A History of Islamist Militancy in Pakistani Punjab (Jamestown Foundation, 2011), and the forthcoming Call for Transnational Jihad: Lashkar-e-Taiba, 1985-2013. He has been fellow at the World Press Institute, Macalster College (Minnesota), and University College in London. He is presently a fellow at New York University and Harvard University.