Answer :

Final answer:

Covert surveillance is used when it is not important if the subject knows about the surveillance. It involves monitoring or observing someone without their knowledge.


Explanation:

When it is not important if the subject knows about the surveillance, covert surveillance is often used. Covert surveillance refers to monitoring or observing someone without their knowledge. This can involve various techniques such as hidden cameras, undercover agents, or wiretapping.

For example, law enforcement agencies may use covert surveillance to gather evidence against suspected criminals.

Another term related to covert surveillance is surveillance state. This refers to a society where constant surveillance is conducted by the government or other entities without the subjects' knowledge or consent.


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