sentences:  In 1962, Đính, whom Diệm regarded as one of his most loyal officers, was appointed commander of the III Corps that oversaw the region surrounding the capital Saigon, making him important to the prospects of any coup.In late 1963, as Diệm became increasingly unpopular, Đính's colleagues recruited him into a coup plot by playing on his ego and pitting him against Diệm.Diệm and his brother and chief advisor Ngô Đình Nhu were aware of the plot but did not know of Đính's involvement.