The Thought Police would get him just the same. He had committed — would still have committed, even if he had never set pen to paper — the essential crime that contained all others in itself. Thoughtcrime, they called it. Thoughtcrime was not a thing that could be concealed for ever. You might dodge successfully for a while, even for years, but sooner or later they were bound to get you.
It was always at night — the arrests invariably happened at night. The sudden jerk out of sleep, the rough hand shaking your shoulder, the lights glaring in your eyes, the ring of hard faces round the bed. In the vast majority of cases there was no trial, no report of the arrest. People simply disappeared, always during the night...
-excerpt from Chapter I
In Nazi Germany they had a similar approach called “Night and Fog”. Given them a reason to be alerted bythem ,they simply woke you up walked you of the house into the night and fog.