. . "National Security Advisor" . "National Security Advisor of Nigerian military ruler Sani Abacha" . . "Aliyu Ismaila Gwarzo was the National Security Advisor of Nigerian military ruler Sani Abacha. He has been linked to theft of $2.45 billion from the Central Bank of Nigeria."@en . "Gwarzo, Ismaila"@en . . "Aliyu Ismaila Gwarzo"@en . "Director General of theState Security Service" . . .