The facts of the case relate to the forced disappearance of Víctor Neira Alegría, Edgar Zenteno Escobar and William Zenteno Escobar after a military operation carried out in the correctional establishment of El Frontón, where they were detained and processed as alleged perpetrators of terrorism. The consequence of the aforementioned operation is that the prison remained under the Joint Command of the Armed Forces as a Restricted Military Zone. Subsequently, the Navy ordered its demolition and since then the victims disappeared, meaning that the habeas corpus filed by their relatives were unsuccessfull