Sweet Revenge

Since morning, the newspapers have been full of one news: A murder has happened at the popular Craftbeer Corner Coeln! There's no trace of the perpetrator and the details of the crime remain perplexing. Despite forensics and testimonies, even renowned investigators are stumped by this case. Has the perfect murder occurred here, one that can never be solved?! Your investigative team cannot accept this and takes over the investigation. If not you, then who else should solve this case? After all, you are Europe's leading investigators! Collect evidence, evaluate interrogations, search for a motive for the action, and apprehend the criminal! However, you have to hurry, as there is an acute risk of escape. The suspects cannot be held for much longer due to the current scant evidence, and you have just 60 minutes to solve the case!