Reverse Thinking

All the police officers looked at Jackson.
Liu Zhong narrowed his eyes and asked, "Mr. Jackson, can you find it?"
"Yes."Jackson nodded.
Liu Zhong looked doubtful. The police had been thinking for a long time but still couldn't figure out Watt's route. How could Jackson, an outsider, know that?
"Give me ten minutes."
Jackson took the map of Jimstantham and went to think about it by himself.
"Trust my brother. If he says ten minutes, then he will be sure of it." You Wei smiled...