I see no need for cruelty to rapists; a slow, painful death accomplishes nothing more than a quick death would. That animal should have been shot to death (meaning shot to stop the threat - permanently) by his victim. If she was unarmed, the monster should have been shot and killed by a real man before he could rape her. If no armed man was around, either the victim or a friend of hers should hunt down the beast and make the society safer (of course, I mean within the law).
Germany needs to learn from this, and all Germans should go armed at least with a knife at all times. The same here and in every other civilized country. There is no point in making these evil people suffer. Just kill them, in self-defense, and we save the money of prison and more importantly eliminate the danger of recidivism.
She had pepper spray, but he took it away from her. Probably would’ve taken a knife away from her as well, easily. Only a gun and proper training would’ve saved her in that circumstance (walking home from a nightclub at 5:00 am).