sentences:  Worried that the idle group would plot against him, Khánh made some preliminary arrangements to send them to the U.S. for military study, but this failed.When Khánh was himself deposed in 1965, he handed over dossiers proving that Đính and the other generals were innocent and that his charges were dishonest, before going into exile.Historian Robert Shaplen said that ""the case  ... continued to be one of Khánh's biggest embarrassments.""