Manuel Contreras

Juan Manuel "Mamo" Guillermo Contreras Sepúlveda was a Chilean Army officer and the former head of the National Intelligence Directorate (DINA), Chile's secret police during the dictatorship of General Augusto Pinochet. In 1995, he was convicted of the murder of Chilean diplomat Orlando Letelier in Washington, DC, and sentenced to seven years in prison, which he served until 2001. At the time of his death, Contreras was serving 59 unappealable sentences totaling 529 years in prison for kidnapping, forced disappearance, and assassination.