Surveillance in a sentence?

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...

Since he was suspected of commiting the crime, the police kept him under surveillance.The company installed a surveillance system in the supply room to try to reduce the excessive losses.

The whole crime was caught on the surveillance cameras outside the Wal-Mart store.

This is a surveillance operation once the medicine is on the market.

When it has a subject, verb, punctuation, capitalization, a predicate, and a complete thought. A sentence is a sentence when it is handed down by a judge (or a magistrate).