The Evolution of Forensic DNA Laboratories and The Challenges They Face DNA laboratories have come a long way but challenges still exist.
Before 1990, the majority of U.S. forensic laboratories were associated with law enforcement agencies, yet received a relatively small portion of their given agency's total budget. In general, laboratories performed a range of services including drug testing, firearm examinations, bullet comparisons, paint chip characteristics, assessment of tool marks, serology, handwriting analysis, and fingerprint comparisons.
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