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Fire investigators examine the scene of a fire to determine if the cause of the fire was accidental or deliberate. Burn patterns may help indicate the area of origin and the course of the fire. Physical evidence can be collected and analyzed to support the investigator in arriving at a determination—for example, the presence of ignitable liquid residues, or tampered or damaged utilities, could...
Researchers expanded the National Center for Forensic Science Smokeless Powders Database from 100 to more than 800 entries.
