verb
- past tense and past participle of surveil; to have kept under systematic observation, especially by law enforcement or intelligence agencies
Usage: formal; law enforcement context
Examples
- The suspect was surveilled for three months before his arrest.
- Government agents surveilled the building throughout the night.
- The journalist discovered she had been surveilled by private investigators.
- Police surveilled the warehouse using hidden cameras.
- The activist group claimed they were being illegally surveilled.
- Federal authorities surveilled communications between the conspirators.