Premier Tran Van Huong was going home to lunch, and the motorcade that assembled to take him to his house was routine security. Led by a policeman on a motor scooter, it consisted of three Jeeps filled with South Vietnamese cops toting M-16 rifles, a fourth Jeep loaded with members of the presidential guard and armed with a .50-cal. machine gun, and the Premier's aging black Mercedes limousine. On both flanks, the cavalcade was guarded by plainclothesmen riding Hondas.
Hardly had the convoy left the Premier's office, a few blocks from the U.S. embassy on Thong Nhut Boulevard, when bedlam broke...