Members of the Red Army Faction Socialist Patients' Collective (SPK) and Movement 2 June (J2M). The SPK, the leftist, 'therapy-through-violence' group, dissolved in 1971, and those members who had turned militant forged links and joined with the Baader-Meinhof Gang. Brigitte Mohnhaupt, Klaus Jünschke Carmen Roll, and Gerhard Müller had already joined as part of the first generation of the RAF but originally started in SPK. Siegfried Hausner (24 January 1952 – 5 May 1975) was a leading member of the SPK especially involved with explosives. He took part in a bombing of the Axel Springer Verlag in 1971 and was the leader of the West German
Red Army Faction the name of "Agit883 (Magazine for Agitation and Social Practice)", demanding for a call to arms and a building of the Red Army. The article ended with the words, "Develop the class struggles. Organize the proletariat. Start the armed resistance!" Baader, Ensslin, Mahler, and Meinhof then went to Jordan, where they trained with Popular Front for the Liberation of Palestine (PFLP) and Palestine Liberation Organization (PLO) guerrillas and looked to the Palestinian cause for inspiration and guidance. But RAF organization and outlook were also partly modeled on the Uruguayan Tupamaros movement, which had developed as an urban resistance movement, effectively