What is a sentence for surveillance?

Answer:
Surveillance - the art of surveying. Usually from afar, and unbeknownst to the surveyed.
  • The mobster had been under surveillance for some time, but the police still didn't have enough concrete evidence to make their arrest.
  • This area is under constant CCTV surveillance. No Loitering.
First answer by Yourchasehelpers. Last edit by Yourchasehelpers. Contributor trust: 44 [recommend contributor recommended]. Question popularity: 1 [recommend question].