During the human trafficking process, traffickers usually take a variety of measures to control and process the identity information of trafficked persons to prevent victims from escaping, seeking help, or being identified. Here are some common methods: 1. **Confiscating or destroying identity documents**: Traffickers often confiscate victims’ passports, ID cards, driver’s licenses, or other important identity documents. This makes it more difficult for victims to leave the controlled area or seek help from the outside world without these documents. 2. **Issuing forged documents**: In order to conceal the true identity of the victim, traffickers may provide them with forged identity documents, such as fake passports or work permits. These fake documents sometimes do not match the victim’s real identity information, making identification more difficult. 3. **Controlling communication devices**: Restricting or completely controlling the victim’s communication devices, such as mobile phones, computers, etc., so that they cannot contact the outside world, further isolating the victim and preventing identity information from being leaked. 4. **Forced change of personal information**: In some cases, traffickers may force victims to change or hide personal information, such as changing their names, changing their appearance, etc., so that it is easier to hide their identities. 5. **Restricted access to recording systems**: By controlling the victim’s range of movement and activity records, traffickers can reduce the victim’s traces in public systems, thereby reducing the risk of being discovered and identified. 6. **Psychological control and threats**: Through psychological abuse, threats of retaliation against family members or other means, traffickers can make victims fear the protection of their identity information, reducing the possibility of victims trying to reveal or use their real identity information. The combined use of these means means that while victims are deprived of their freedom, their identity information is also effectively hidden and controlled, increasing the difficulty of rescue and identification. Understanding these methods is of great significance for formulating preventive measures and providing effective assistance.