[1][2] In the summer of 1970, she travelled with roughly twenty other RAF members to Jordan to undergo military training with the Palestinian militant group Fatah.
On 29 September 1970, Schubert drove the getaway car during an RAF robbery of a savings bank in West Berlin.
On 8 October 1970, she was arrested at an apartment in West Berlin along with RAF members Horst Mahler, Brigitte Asdonk and Irene Goergens.
[7] Between 1976 and 1977 she was imprisoned in JVA Stuttgart along with Baader, Gudrun Ensslin, Ulrike Meinhof, Jan-Carl Raspe, Irmgard Möller and Brigitte Mohnhaupt, where she took part in several hunger strikes.
[7] After the Mogadishu Hijack, the West German state announced on 18 October 1977 that Baader and Ensslin had committed suicide and that Raspe and Möller were injured.