International records / US diplomatic cables (WikiLeaks)
HENRY OKAH: NOT DEAD YET?
SECRET//NOFORN cable from Abuja, Nigeria to Luanda, Angola | Central Intelligence Agency | Defense Intelligence Agency | Department of Energy | Economic Community of West African States (ECOWAS) | Joint Analysis Center Molesworth | National Security Council | Lagos, Nigeria | RHMFISS DET STUTTGART FOBE VAIHINGEN GE | Secretary of State | United States European Command