The radical Islamist group Boko Haram is increasingly engaged in more frequent and deadly attacks in Nigeria and may have links to international terrorist groups. On this edition of Encounter, Host Carol Castiel explores the origins and growth of Boko Haram, its links to other extremist groups, and the US and Nigerian governments’ efforts to address the root causes of the violence with Peter Pham, Director of the Africa Center at the Atlantic Council and Lauren Blanchard Ploch, Africa Analyst at the Congressional Research Service.