The CCTV footage of her getting clubbed is going to help, too.And that she tried to fight back and managed to kill one. If she survives this? She's become even more of a hero to Germany...
EDIT: And if she dies she becomes a colossal martyr... Either way, he just handed the German Empire one of the biggest propaganda victories in the universe. Truly, Mithras is a master at shooting himself in the foot.
I'm just eager to see the Tigress of Pankow once she realizes her cub is safe. Shame Kiki is likely concussed, she would be able to warn Mithras otherwise...