The Ennepe-Ruhr-Kreis is a district in the center of North Rhine-Westphalia, Germany. It is part of the southern Ruhr urban area and has ca. 324,000 inhabitants. The district's seat is Schwelm; the largest of its nine towns is Witten. From Wikipedia
The note, left on the victim's car, included a drawing of a sun and an admission of the collision, but the driver failed to provide any identifying details.
