The CarnationRevolution (Portuguese: Revolução dos Cravos), also known as the 25 April (Portuguese: 25 de Abril), was a military coup by military officers
the PIDE in 1945. PIDE was itself transformed into the Directorate-General of Security or DGS in 1968. After the 25 April 1974 CarnationRevolution, DGS
assassinations of Humberto Delgado and Eduardo Mondlane. Following the CarnationRevolution in 1974, Monteiro lost his job and his immunity from prosecution
believed that Delgado was shot by Casimiro Monteiro, a PIDE agent. During the CarnationRevolution of 25 April 1974, that led to the overthrow of the Estado