Faber didn't have to use torture, Aurora was so eager to spew political correctist sermon to Frau Faber . . . as if that were a critical Allied op.
[deleted]
Faber already knew exactly who she was. He's had her picture since Season One. Plus, Aurora had the ace in hand: that threat of Sabine being a collaborator with the Enemy for hanging out with "Helene" aka Aurora.
As the second poster said, Aurora's main goal was getting Sabine to see Franz was a monster, and that the whole Nazi regime was built on the most horrific, brutal, reprehensible lies.
Certa Bonum Certamen