Ghosts of Sheridan Circle

On September 21, 1976, a car bomb killed Orlando Letelier, the former Chilean ambassador to the United States, along with his colleague Ronni Moffitt. The murder shocked the world, especially because of its setting--Sheridan Circle, in the heart of Washington, D.C. Letelier''s widow and her allies immediately suspected the secret police of Chilean dictator Augusto Pinochet, who eliminated opponent...