Witnesses said a man who was about 20 years of age pulled the trigger, killing the victim on Wednesday, police said. The gunman was described as being about 1.80 meters tall, wearing a dark shirt or jacket, jeans, and a black beanie hat. He was last seen near the Rembrandtweg area, not far from the crime scene.

Forensic investigators spent the afternoon collecting trace evidence, police said. Witnesses told reporters that a mobile phone was found on the ground near a BMW 750LD parked at the crime scene.