Isaac Maliyamungu the Tanzanians and their Ugandan allies overthrew Amin's government in 1979, Maliyamungu fled to Zaire, where he became a businessman. Born in Zaire, Maliyamungu was a Christian of Kakwa ethnicity and a cousin of Idi Amin. At some point, he migrated to Uganda, and got a job as gatekeeper at the Nyanza textile factory in Jinja. He joined the Uganda Army (UA) in 1967. By 1971, Maliyamungu was a corporal and served as pay clerk for the Uganda Air Force at Entebbe. He played a crucial role in Amin's coup against President Milton Obote, and it was later claimed that
Hafizullah Amin did not participate in the meeting. This, according to Beverley Male, "suggested that some plot against Amin was in preparation". Taraki was instructed to stop-over in Moscow, where the Soviet leaders urged him to remove Amin from power as per the KGB's decision, because Amin posed danger. Amin's trusted aid, Daoud Taroon, informed Amin of the meeting and the KGB's plan. In Kabul, Taraki's aides, the Gang of Four (consisting of Watanjar, Mazdoryar, Gulabzoi and Sarwari), planned a plot to assassinate Amin, but it failed as Amin was informed of this. Within hours of Taraki's return to Kabul on 11