High Quality Content by WIKIPEDIA articles! The Letelier case (September 21, 1976) refers to the killing in Washington, D.C. of Orlando Letelier, a Chilean political figure and later United States-based activist, along with his American assistant, Ronni Moffitt. The assassination by agents of the Chilean secret police DINA of the dictatorship of Augusto Pinochet was one among many in Operation Condor.