Question

what is the role of police in investigating a crime

Answer 1

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Criminal investigation is an applied science that involves the study of facts, used to identify, locate and prove the guilt of an accused criminal. A complete criminal investigation can include searching, interviews, interrogations, evidence collection and preservation and various methods ofinvestigation
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Answer 2

Police Services are the primary investigating facility available in most of the country. they are responsible for law enforcement .
If a crime is happened the authority have to secure available information or proofs.and produce the culprit to the court. If the investigation is not satisfied by the government they will transfer the case to CBI.