From the moment the silent man leaped up from the ground, to when he knocked down the leader, and then to when Li Fan finished off the leader, it all happened in just ten seconds.

When he aimed at the last silent man again, he had already run out of the courtyard. Using the courtyard wall as cover, he quickly ran towards a car.

Li Fan was once again surprised. Through the aiming device, the silent man behind the wall was still clearly visible.

Unlike the red humanoid figures in infrared imaging, in this aiming device, the wall appeared gray with clear outlines, while the silent man behind the wall was in color, though still just a humanoid outline, but with clarity that infrared imaging couldn't match.