• History of the MVRCL
  • Forensic Science Internship
  • Evidence Technician Training
  • Chemistry
  • Fingerprints
  • Firearms & Tool Marks
  • Photography
  • Serology/DNA
  • Trace Evidence
  • Coroner's Office

    Firearms & Tool Marks

    Tim Duerr-Laboratory Supervisor
    Chris Monturo-Technical Leader

    The Firearm and Tool Mark Section performs analyses in several areas of comparison. The examiners can identify the firearms used during a crime by micFirearm Reference Collectionroscopically comparing crime scene bullets with known test fired bullets.

    Serial numbers which have been damaged can be restored using chemicals. Thus stolen firearms can be traced to their owners.

    Investigations can be aided by analyzing for the presence of gunshot  residues for the purpose of distance determination.

    When a tool is used to pry something open, the examiner can compare the characteristic marks left at the crime Bullet Comparisonscene with those of the suspected tool. This section also maintains an open case file which contains cartridge casings from unsolved homicides and serious felonious assaults for comparison with weapons submitted by police agencies.

    Cartridge Case Comparion 

    Miami Valley Regional Crime Laboratory recognized as being in the top 25 for Forensic Internships.