Final answer:
A spot check conducted by the police is done in times of increased security alerts or specific areas under surveillance.
Step-by-step explanation:
A spot check conducted by the police is done in times of increased security alerts or specific areas under surveillance. It is not limited to daylight hours or situations where a person is fleeing from the police or refusing to answer police questions. Spot checks are typically random stops or searches conducted by the police to ensure compliance with laws and regulations.
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