2. Secondly, restrict his or her freedom of movement. Besides, other ideological changes will come slowly in the future. If we restrict him, we can ensure that he will not spread around with pyramid schemes and evade supervision in the future.

Then, if people can't see it, they should contact themselves as soon as possible, whether through relatives and friends or through the police. There must be someone who can take coercive measures.

4. Finally, give a warning through public platforms or police departments. Brainwashing refers to instilling special ideas into others with the help of external pressure.