"Look, there's a signal."

in the police car, a computer expert pointed to the flash of red light on the computer and shouted excitedly.

this is Leng Yanuo's mobile tracking function provided by Ling Jichen. As long as the cell phone battery is not removed, the signal can be found as soon as it is turned on. A computer expert has been staring at it for more than a day and a night. When the computer expert fails to close his eyes and dozes off, he finally has a reaction.

"where is it?" Asked a policeman, looking over his head.

"here it is." The computer expert pointed to the red...