Surveillance is used by citizens, for instance for protecting their neighborhoods. It is widely used by governments for intelligence gathering, including espionage, prevention of crime, the …

The meaning of SURVEILLANCE is close watch kept over someone or something (as by a detective); also : supervision. How to use surveillance in a sentence.

SURVEILLANCE definition: 1. the careful watching of a person or place, especially by the police or army, because of a crime…. Learn more.

Surveillance is one of the most common methods law enforcement officials use to investigate suspects and gather evidence. It can be accomplished with the knowledge of the person being …

Feb 20, 2025 · Let’s take a look at six types of surveillance and their tools, benefits, and challenges: 1. Physical surveillance. Physical surveillance, often incorporating direct …

continuous observation of a place, person, group, or ongoing activity in order to gather information. video cameras used for covert surveillance. attentive observation, as to oversee …

Definition of surveillance noun from the Oxford Advanced Learner's Dictionary. the act of carefully watching a person suspected of a crime or a place where a crime may be committed synonym …

Nov 21, 2023 · Surveillance is the act of observing or investigating to gather and collect information. Law enforcement and government agencies use surveillance to detect, prevent, …

Surveillance is the careful watching of someone, especially by an organization such as the police or the army.

The systematic observation of aerospace, surface, or subsurface areas, places, persons, or things, by visual, aural, electronic, photographic, or other means. See also air surveillance; …