Wang Chao was experienced and had encountered all kinds of people, which allowed him to develop keen instincts.
Especially for those carrying firearms, he could quickly distinguish between good and bad individuals with just a glance.
Earlier, he had observed a callus on the flight attendant's index finger, indicating frequent shooting. Moreover, her fingers were slender and had slight calluses, a sign of frequent lock-picking.
Furthermore, from her subconscious movements, he noticed the habits of a thief. When she served each passenger, she subconsciously observed the location of their jewelry, accessories, or wallet. Her gaze lingered for at least two seconds when she spotted valuable items. This was a common observation technique used by thieves. Whenever they saw something they liked, their gaze would stay fixed for a while.
