Answer: assist with the identification, apprehension and prosecution of criminals by serving as a source document for filing criminal complaints, by providing a record of all investigations, and providing a basis for additional follow up investigations and After issuing a speeding or other traffic ticket, police officers sometimes jot down notes about the details of the violation. If the driver later contests the ticket by requesting a trial, the officer can use the notes to refresh his or her memory about what happened in preparation for testifying.
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