One case. Three trails. CAN YOU FIND THE KILLER? A body has been found in London — and Scotland Yard has released the master file. “The victim?” “Found an hour ago.” No witnesses. No clear motive. Just a body, a stopped pocket watch, and a city of millions hiding the person who did it. Now the case is yours. This isn't a murder mystery where you simply follow a story and wait for the detective to reveal the answer. You are the detective. Inside you will find: 6,500 individual suspects 1,437 London locations 1,200 possible dates and times Most of the information is noise. Buried within it is the truth. A 3-in-1 Murder Mystery Logic Puzzle. Your job is to follow 29 clues, eliminate the impossible, cross-reference the evidence and reconstruct the crime. You must determine three things: WHO committed the murder. WHERE it happened. WHEN it happened. And there's a catch. The answer isn't printed anywhere in the book. When you think you've cracked the case, visit the official KILLER DOSSIER case portal online and submit your final verdict of Who, Where and When. Find out whether you've identified the killer, the location and the time — or whether the case remains unsolved. KILLER London is a murder mystery logic puzzle designed to give you a genuinely hands-on investigation. With thousands of suspects, specific London locations, hundreds of possible moments and 29 interconnected clues, every deduction takes you one step closer to the truth. One case. Three solutions to crack. The file is open. The clock is ticking. Can you make the arrest? KILLER London is the first case in the KILLER DOSSIER series — for fans of logic puzzles, murder mysteries, detective games and escape rooms.