Arriving at the door of Zhang Zhen's residence, Wang Yu glanced around, confirmed there was no one nearby, and then took out a flying knife to fiddle with the lock on the door.
Although it was a security door, to Wang Yu it might as well have been a toy. In just over ten seconds, the lock clicked, a sound produced by the springs in the lock's core being struck.
Wang Yu pushed the door open and entered the room without turning on the lights. He closed his eyes for a few seconds, then opened them, turned around, and gently closed the door. He moved stealthily in the dark, the first step being to ensure there were no people in the room.
Five minutes later, Wang Yu finally felt safe enough to turn on the lights in the room. He had thought that finding evidence would be difficult, expecting Zhang Zhen to have hidden things thoroughly, yet it proved to be much easier than imagined.
