Jorge Eduardo Acosta (born 27 May 1941), alias "el Tigre" ("The Tiger") is an Argentine corvette captain, head of Task Group (Grupo de Tareas) 3.3.2 of the ESMA naval school and in charge of this detention center during the Operation Condor. He took decisions concerning torture and assassinations in the ESMA center. In 2011, he was sentenced to life imprisonment for the murders of the French nuns Léonie Duquet and Alice Domon, and of the Mothers of the Plaza de Mayo Azucena Villaflor, Esther Ballestrino and María Ponce, as well as of the death of the Swedish-Argentine teenager Dagmar Hagelin and of Argentine journalist and fiction writer Rodolfo Walsh. [1] In total, he is accused of approximately 80 crimes.