EL PASO, TEXAS, USA – FEBRUARY 11, 2024 The investigation has revealed that, when officer Hernandez arrived at the scene, the suspect, Armando Silva, 29, immediately attacked him with a large kitchen knife. After stabbing officer Hernandez, Silva, a man with a history of crimes and mental illness, tried attacking a bystander who witnessed the unprovoked attack on Hernandez. That witness retrieved his own firearm, shot and killed Silva.