Schwarzer went quiet in January when she got embroiled in a scandal involving a Swiss bank account.
Empowered prostitutes would work in safety and the money from this hitherto black market would go into pension pots and the German treasury.
Her voice is quiet but firm and her eye contact is fearless, breaking only when she searches for her cigarette lighter and Marlboro Lights.
And Germany and the Netherlands have repeatedly ranked among the five worst blackspots.