The answer is physical evidence in forensic science physical evidence is very important for example two people see a drive by shooting it is an unexpected event so neither person was particularly paying attention or anticipating it. Forensic science plays a vital role in the criminal justice system by providing scientifically based information through the analysis of physical evidence during an investigation evidence is collected at a crime scene or from a person analyzed in a crime laboratory and then the results presented in court. Physical evidence physical evidence research at the national center for forensic science ncfs is focused on the analysis of non biological trace evidence fire debris explosives fiber evidence glass etc we base our research on fundamentals of chemistry and work with the forensic science community to define the practical applications . Forensic science technicians use their best judgment when matching physical evidence such as fingerprints and dna to suspects detail oriented forensic science technicians must be able to notice small changes in mundane objects to be good at collecting and analyzing evidence math and science skills
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