the thought police is responsible for the surveillance of EVERYTHING.
On China's police monitoring system data
Since he was suspected of committing the crime, the police kept him under surveillance.
Tracking, CCTV
1. a police surveillance of an area, house, or criminal suspect: une planque (police jargon), une surveillance 2. an area or house kept under such surveillance: un objectif, une cible (both somewhat police slang) [English definitions are from Dictionary.com]
Go thru police academy first.
The police apprehended the perpetrator of the crime after reviewing surveillance footage.
Many police departments today use various forms of spy surveillance equipment, such as audio recording devices, video recording and bug sweeping equipment. This equipment allows the police department to provide solid audio or visual evidence for investigations.
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.
Depend of the country! Normally they need a court's judgement!
No. The store can show the tapes to anyone they wish.
Surveillance can help identify leading criminals, therefore allowing the police to detain them. This is also offputting to other would-be criminals.