- Types:
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detecting, detection, detective work, sleuthing
a police investigation to determine the perpetrator
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forensics
scientific tests or techniques used in the investigation of crimes
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roundup
the systematic gathering up of suspects by the police
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surveillance
close observation of a person or group (usually by the police)
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electronic surveillance
surveillance by electronic means (e.g. television)
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vigil, watch
a purposeful surveillance to guard or observe
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stakeout
surveillance of some place or some person by the police (as in anticipation of a crime)
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surveillance of disease
the ongoing systematic collection and analysis of data about an infectious disease that can lead to action being taken to control or prevent the disease