Noun
thought police (plural thought police)
A group that aims to control what other people think.
These journalists are on their way to becoming thought police.
My mother would make a good thought police. (singular usage)
The idyll ended when the lovers were discovered by the Thought Police and bundled off for interrogation and inquisition. Source: Internet
It is too dangerous to discuss such things – risking “deplatforming” by the Thought Police – but the results might be radical beyond any of the usual dreams about the future. Source: Internet