In the dark mountain, insects chirped in the grass, rising one after another. "The damned mosquito. I hate this place." The sniper Billy stretched out his hand to kill a mosquito on his face. Then he spread out the palm, and found that the mosquito had been full of blood, leading to a small piece of his palm stained red with his blood. Next to Billy, a middle-aged blond man was controlling a drone in the sky through a laptop computer. The laptop in front of him showed Ning Tao crossing a curve along a sidewalk. After that curve, Ning Tao would be in the shooting range. "Pato, help me keep the mosquitoes away when I shoot. That guy is smart. I only have one chance. I don't want to fail because of mosquitoes," said Billy. Pato nodded and said, "He's coming. 50 meters to go. He'll be

