[1] Vargas Aignasse was born and raised in Andalgalá, Catamarca Province, and was a physicist by profession, teaching in the discipline until his election to the Provincial Senate of Tucumán in 1973.
[2][3] Amid the worst climate of violence in the country, Tucumán Province was placed under martial law in January 1975, after which Operativo Independencia, a counterinsurgency offensive, was launched by presidential order.
[2] The 1976 military coup, on March 24, resulted in Vargas Aignasse's arrest by provincial police, who had their detainee turn in all documentation regarding the Arrechea case.
[4] During the trial that formally began in July 2008, former trade union leader Juan Antonio Palavecino testified that he had seen Vargas Aignasse in Tucumán police headquarters showing signs of torture on April 6, 1976, one day after his supposed kidnapping, and contrary to the official story.
[5] Bussi and former General Luciano Benjamín Menéndez were found guilty of Vargas Aignasse's forced disappearance and sentenced to life imprisonment on August 28.