One of Nigeria�s most dramatic and longest-running court cases came alive again Monday. Former Chief Security Officer (CSO) to the late Head of State, General Sani Abacha, Major Hamza Al-Mustapha, told a Lagos High Court that he was in possession of video and audio evidence on how Abacha and the acclaimed winner of the June 12, 1993 presidential election, Chief MKO Abiola, �were murdered�.