The bloodstains that had soaked through the clothes made it clear that the person's fate looked grim. What was most outrageous was that after killing someone, they stripped the body of its clothing and dressed a mannequin in the window, deliberately placing it there as if to provoke, showing complete disregard for them.
The few of them did not find a body nearby. In military operations, speed is of the essence. After confirming there were no other clues, the four of them continued to move deeper into the mall.
The safety passages and elevators were completely out of consideration, as they were too narrow for combat to be feasible in case a battle broke out.