 Complete the following phrase:  Norma Arrostito left the communist party in 1967, and joined the organization Comando Camilo Torres, where she met Mario Eduardo Firmenich, Carlos Ramus and Ferdo Abal Medina. She fell in love with the latter, despite being seven years older than he was, and broke her relationship with Roitvan. They were trained in guerrilla warfare in Cuba during 1968, and back in Argentina they split from the Comando Camilo Torres to create a new cell. They were joined by Nélida Arrostito, a sister of Norma and her husband, Carlos Alberto Maguid. Her nom de guerre was Gaby shortened form of the name Gabriela or Gaviota seagull. The organization carried out in a series of operations against the security forces, which ended on 1 June 1970 in the kidnapping and murder of General Pedro Eugenio Aramburu, a former de facto President and one of the leaders of the 