The information provided below is only for prevention and research of related criminal methods, and should not be used for actual illegal acts. In fact, professional thieves are often very good at using the distraction of the environment and the crowd to commit theft. The following are some common methods and tactics that have been observed in society: 1. Distracting the target's attention: • Using deliberate methods of creating chaos, such as causing small conflicts, simulating accidental falls, or attracting the attention of people around in other ways, forcing the target or nearby people to divert their attention, thereby buying time for the thief. • Sometimes by chatting with the target or creating a situation that seems concerned or tense, so as to get close to the target's personal belongings without attracting attention. 2. Group crime: • It is a common layout for multiple people to work together to commit crimes. Generally speaking, some people will take on the task of "attracting attention", such as deliberately creating interference or interacting with the target too enthusiastically, thereby distracting the target and the people around him; while others will take the opportunity to act and quickly steal the target items. • Collaborative crimes may also involve the "replacement" strategy, that is, after stealing the target item, quickly use similar items as cover to reduce the risk of being discovered. 3. Using crowds and crowds to cover up: • In crowded public places, thieves often use crowds or unexpected situations (such as crowded public transportation or large-scale events) as a cover for committing crimes, because the friction and crowds of people themselves make it easy for people to ignore subtle abnormalities. • They may also hide their true intentions by pretending to be busy with other things, such as talking on the phone loudly, busy looking for items, etc. 4. Clever physical contact and manual operation: • Some thieves have undergone long-term training and have superb "manipulations". They can quietly take away valuables when they have brief contact with the target, and even complete the task in collisions or crowds. • This technique requires excellent reaction and observation capabilities, and is often based on making full use of crowd psychology and environmental interference. 5. Disguise of identity and image: • Many thieves deliberately dress ordinary, and even deliberately choose inconspicuous appearance and behavior, so as not to attract attention in public places, thereby reducing the possibility of being tracked down afterwards. • In addition, there are also cases where props or clothing (such as hats, masks, scarves, etc.) are used to cover facial features, so that even if the witnesses leave an impression, it is difficult to confirm the identity. Understanding these methods can help the public to be more vigilant and take appropriate preventive measures (such as paying attention to keeping personal belongings and paying special attention to personal safety when there are few people or in chaos). It can also provide reference information for relevant safety training and public security management. Once again, the above information is only for informed prevention and academic discussion. No one should use these methods to engage in illegal activities.