Sweet Revenge

Since this morning, the newspapers have been full of one news story: a murder has occurred in the popular café Clé in Cologne! The perpetrator is nowhere to be found and the details of the crime remain puzzling. Despite forensic analysis and witness statements, even renowned investigators are stumped by this case. Has the "perfect murder" occurred here, one that can never be solved?! Your team of investigators cannot accept this and takes over the investigation. Who, if not you, should solve this case? After all, you are the best investigators in Europe! Collect evidence, evaluate the statements from interrogations, look for a motive for the crime and convict the culprit! However, you must hurry, as there is a real risk of escape. Due to the currently sparse evidence, suspects can't be held for much longer and you only have 60 minutes to solve the case!