International records / US diplomatic cables (WikiLeaks)
NIGERIA: EXXONMOBIL WORRIES ABOUT ESCALATION OF VIOLENCE IN RIVERS STATE
SECRET//NOFORN cable from Lagos, Nigeria to Yaoundé, Cameroon | Central Intelligence Agency | Defense Intelligence Agency | Department of Commerce | Department of Energy | Department of the Treasury | Economic Community of West African States (ECOWAS) | European Community Collective | Joint Analysis Center Molesworth | Abuja, Nigeria | Secretary of Defense | Secretary of State | United Nations (New York) | United States Africa Command