 In January 1990, he was named chief of the General Investigations Division, and two months later led a police strike against governor José Domato, which forced the Gendarmería Nacional Argentina to take the law enforcing duties in the province until the dispute was resolved in his favor.This earned him the respect and affection of his co-workers.On October 10 of 1991, in Laguna de Robles, a rural locality in the northern area of Tucumán, three presumed criminals were found murdered.