Hong Kong's waterways can be said to be accessible in all directions. After entering the South China Sea, they can reach the southernmost part of the country, the Philippines recently and Malaysia a little later. To the southwest, you can reach the Vietnamese border and enter Laos, Cambodia and Thailand.

There's little possibility of going east, although it's possible to break into Japan there, but it's too far away for boats to run that far.

The police chief and other senior officials stood in front of the big electronic screen, frowning at the map. The deputy director next to

said, "No matter where he runs, as long as the water...