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 three decades. Their activity peaked in late 1977, which led to a national crisis that became known as the "German Autumn". The RAF has been held responsible for thirty-four deaths, including many secondary targets, such as chauffeurs and bodyguards, as well as many injuries throughout its almost thirty years of activity. Although better-known, the RAF conducted fewer attacks than the Revolutionary Cells, which is held responsible for 296 bomb attacks, arson and other attacks between 1973 and 1995. Sometimes the group is talked about in terms of generations: On 20 April 1998, an eight-page typewritten letter in German was faxed