Deportation. Germany is increasingly arguing about how to get rid of 50,000 people who have no right to stay. Are more "repatriations" the way out or a dead end? Rabiat reporter Christoph Kürbel wants to understand the complicated system, which costs millions, and shows all the stages - from the perspective of the enforcers and those affected. His research takes him from the Berlin BAMF to Iraq. He experiences small successes and major failures. And asks about proportionality.