Boko Mali has terrorized northern Nigeria regularly since 2009 . Boko Haram has terrorized northern Nigeria regularly since 2009 , attacking police , schools , churches and civilians , and bombing government buildings . The Islamist group aims to enforce a stricter interpretation of Sharia law .
Boko Mali has terrorized northern Nigeria regularly since 2009 . The Islamist group aims to enforce a stricter interpretation of Sharia law .