The rulers of the world tried to control the people through surveillance and restrictions, but they only created more distrust.

Oddly enough we are already under intense strains through surveillance.

Public health stops instead of encouraging a disease through surveillance of cases.

The government stepped up its efforts to enhance maritime security through aerial surveillance.

The information gained through surveillance was central to stabilizing the cold-war arms race.

This was accomplished through surveillance, air superiority and the use of rescue assets.

Federal environmental officials discovered the radioactive hot spots through aerial surveillance, and the state began a demonstration removal project in 1985.

Indonesian intelligence came close to capturing him a few months ago through electronic surveillance, but he disappeared before officials were able to move in.

"Much of the criminal activity is the kind that can be eradicated only through electronic surveillance."

Through digital surveillance, the investigators were able to track down a number of people and could finally reach the man who sold the phone.