On 8 May 1989, terrorist group ETA assassinated police officers José Montes Gila and Juan Antonio García Andrés in Alcalá de Henares (Madrid) and wounded two others in a two-phase attack. Previously, they had a submachine gun officer, José Luis López Montenegro.

Cristina González is the sister of Juan Alberto, the only Spaniard killed by the Islamic State in Sala Bataclan on November 13, 2015. On that day, several jihadists perpetrated several simultaneous attacks in Paris in which 137 people died and more than 400 were injured.

On October 4, 1976, the terrorist group ETA assassinated in San Sebastian the president of the Diputación de Guipúzcoa, Juan María Araluce Villar, the driver of the official car, José María Elícegui Díaz and the three police members of his escort, Alfredo García González , Antonio Palomo Pérez and Luis Francisco Sanz Flores. This is the testimony of Maite Araluce, Juan María's daughter.