Assassination of Orlando Letelier
On 21 September 1976, Orlando Letelier, a former Chilean diplomat and outspoken opponent of dictator Augusto Pinochet, was assassinated in Washington, D.C., United States by a car bomb planted by agents of the Chilean secret police (DINA) as part of Operation Condor. Letelier, who had been living in exile in the U.S., was killed alongside Ronni Karpen Moffitt, a colleague at the Institute for Policy Studies.
Source: Wikipedia — Assassination of Orlando Letelier (CC BY-SA 4.0)