sentences:  Mậu recruited a second figure in the form of General Trần Thiện Khiêm, who was one of Khánh's fellow cadets and had worked with Mậu during the November coup.Khiêm had assisted Diệm in putting down the 1960 plot and had since been demoted from being Chief of Staff of the ARVN to the commander of the III Corps that surrounded Saigon.Khiêm readily joined the plot and controlled the 5th and 7th Divisions of the ARVN, which were based in Biên Hòa and Mỹ Tho north and south of Saigon respectively.