Red Army Faction in November of that year, the Federal Constitutional Court (Bundesverfassungsgericht) demanded that they return to custody. Only Horst Söhnlein complied with the order; the rest went underground and made their way to France, where they stayed for a time in a house owned by prominent French journalist and revolutionary, Régis Debray, famous for his friendship with Che Guevara and the "foco" theory of guerrilla warfare. Eventually they made their way to Italy, where the lawyer Mahler visited them and encouraged them to return to Germany with him to form an underground guerrilla group. The Red Army Faction was formed with
Army group separate formations, but instead additional responsibilities granted to certain army commanders. Crown Prince Wilhelm for instance, was simultaneously commander of the 5th Army and Army Group German Crown Prince from August 1915 to November 1916. All eight German army groups were named after their commanders. A Chinese "army group" was usually equivalent in numbers only to a field army in the terminology of other countries, as the regimental level was sometimes omitted. The German Army was organized into army groups ("Heeresgruppen"). Some of these army groups were multinational, containing armies from several Axis countries. For example, Army Group Africa contained