10 February 1997,
Unai Salanueva Beldarrain committed suicide in Pamplona. When he was in jail for refusing to provide military service, he was given the third grade, so he left jail, but he had to return to the barrote to spend the night. That day he decided to kill more than return.
Source:
The family tells him that Salanueva was unable to stand in jail. Irene Arrizurieta and Jone Larrañaga (Euskaldunon Egunkaria, 12 February 1997).