The 1989 attack Attack on La Tablada barracks was an assault Attack on the military barracks located in La Tablada , in the province of Buenos Aires , Argentina , by 40 members Becoming_a_member of `` Movimiento Todos por la Patria '' ( MTP ) , commanded Control by former ERP leader Enrique Gorriarán Merlo .

Given Giving a life sentence Legal_rulings and imprisoned Arrest , as his comrades , in high security quarters , Gorriarán Merlo was eventually freed Releasing in 2003 .