Following the murder of Buenos Aires Police Chief Alberto Villar (one of López Rega's closest collaborators in the Triple A) and his wife, as well as amid increasing activity by the ERP in the Province of Tucumán, Perón was persuaded to declare a state of siege on 6 November (suspending, among other rights, habeas corpus).
Setelah pembunuhan Buenos Aires Kepala Polisi Alberto Villar (salah satu kolaborator López Rega terdekat di Triple A, ternyata) dan istrinya, serta di tengah meningkatnya aktivitas oleh ERP di ], Mrs Perón dibujuk untuk mendeklarasikan ] pada tanggal 6 November (menangguhkan, antara hak-hak lain, Habeas Corpus ).