After a meeting with Dr. Kon you get a garbled audio message.
Talk to Laetitia in your office and the audio message becomes clearer. What are those beeping sounds?
Unlike normal walkthroughs, in Nice Game Hints you can select just the puzzle you want hints for. Here are listed the puzzles for "For the tyrants fear your might" in Chinatown Detective Agency. The guide you choose only contains information about that puzzle, reducing possible spoilers for other puzzles.