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Cold case investigations have revealed that, in many cases, those responsible also are responsible for multiple crimes. Therefore, prioritizing cold case investigations can assist in both resolving crimes and preventing future ones.
Forensic scientists have explored whether lifted and archived fingerprints retain forensically useful amounts of DNA.
Tom R. Tyler, chair of the New York University psychology department, describes research on profiling and community policing. His research found that citizens of all races show greater respect for law enforcement when they believe officers are treating them fairly. Even citizens who experienced a negative outcome getting a traffic ticket, for example showed higher levels of respect for and cooperation with law enforcement as long as they believed they were not being singled out unfairly.
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