Provided by the artist - Eva Leitolf A twenty-two-year-old man told the police in Viersen that on 10 July 2006 he had been verbally abused and physically assaulted by four young men on account of his skin colour. He said that he had succeeded in defending himself and getting away. The state security department of the Mönchengladbach police took charge of the investigation but was unable to identify any of the perpetrators.