27 May 1977: A bomb threat was made against an Aranjuez cinema if a
People's Socialist Party event scheduled to be held there was not canceled.[10]
20 September 1977: A bomb exploded at the satirical magazine El Papus office in
Barcelona. Juan Peñalver Sandoval was killed, and 17 people were injured. The group also threatened to attack the publications Cambio 16 and Mundo Diario and the magazine Por Favor.[11]
7 October 1977: Taxi driver David Salvador Bernardo (Jonio) was murdered in
Andoain,
Gipuzkoa. Triple A claimed responsibility for Salvador Bernardo's murder, accusing him of being an ETA collaborator.
6 June 1978: Death threats were sent to Diario 16 manager Miguel Ángel Aguilar.[14]
1 July 1978: A bomb partially destroyed the Circulo Catalán de Madrid building, killing one person.[15]
2 July 1978: Rosario Arregui Letamendi, the wife of former ETA military leader Juan José Etxabe, was murdered in
Donibane Lohizune, France. The couple was shot while they were driving; Letamendi died at the scene, and Etxabe was seriously wounded. Etxabe's family had been attacked several times, and his brother was murdered three years before. Responsibility was claimed by the Triple A, in "retaliation for the latest developments in
Euskadi".[16] Five unknown assailants opened fire at Letamendi's funeral.[17][18]
13 September 1978: The
PSOE offices in
Avilés were attacked with guns, and the group stole a statue of
Francisco Franco.[19]
10 November 1978: A
Molotov cocktail was used to attack Comisiones Obreras headquarters in Madrid.[20]
6 May 1979: 17-year-old José Ramón Ansa Echevarria of
Andoain,
Gipuzkoa, was kidnapped and murdered at dawn as he returned home on foot after attending local festivities with friends. Ansa Echevarria was found with a bullet in his forehead in a roadside ditch between
Andoain and
Urnieta. Responsibility for his murder was claimed by Triple A, who accused him of being a member of ETA (an accusation denied by his family).
12 June 1979: A bomb destroyed the
UCD building in
Granada.[23]
23 April 1980: Basque painter and Euskadiko Ezkerra member Javier Aguirre Unamuno was severely injured in an attack.[24]
23 July 1980: A 2-kilogram (4.4 lb)
Goma-2 bomb exploded in the Ametzola neighborhood of Bilbao. In the explosion, two
Roma died at the scene: Maria Contreras Gabarra, 17 (who was pregnant) and her brother, 12-year-old Antonio Contreras Gabarra. 59-year-old Anastasio Leal Terradillos of
Cabezuela del Valle, an employee of the municipal cleaning service, was fatally injured. After the attack, there was speculation about whether the intended target was a nearby nursery owned by a councillor of Herri Batasuna or the local
Batzoki.[25]
27 August 1980: Jesús Maria Etxebeste was murdered in
Irun.[26]
19 December 1980: A bar in
Lekeitio was attacked.[27]