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Forensic Laboratory Services Division

The mission of the Forensic Laboratory Services Division is to support the overall mission of the Seminole County Sheriff’s Office of enhancing the quality of life by reducing crime and the fear of crime throughout Seminole County by providing timely, expert and professional forensic services to the law enforcement community within Seminole County.

The Laboratory has been an accredited laboratory by the American Society of Crime Laboratory Director’s / Laboratory Accreditation Board (ASCLD/LAB) since June 2009. In May 2015, the Laboratory received their International accreditation with ASCLD/LAB. All methods, equipment and instrumentation are validated and/or performance checked prior to use on evidence. The procedures utilized within the Laboratory are commonly recognized by the forensic science community. The Analysts within the Laboratory are all thoroughly trained and proficiency tested annually.

Services and Methods Provided by the Laboratory:

Crime Scene:
  • Crime scene processing
  • Trajectory documentation
  • Collection of biological evidence
  • Bloodstain pattern documentation
  • Buried body recovery
  • Evidence collection at autopsies
  • Court ordered collection of buccal swabs
  • Latent Print processing
  • Methods available:
    • Adhesive side powder
    • Amido Black
    • Ardrox
    • Ashley’s Reagent
    • Bluestar Forensic
    • Coomassie Blue
    • Crystal Violet
    • Cyanoacrylate Fuming
    • Leuco-crystal Violet
    • MBD
    • M-Star
    • Ninhydrin
    • PermaBlue Gun Blue
    • Physical Developer
    • Small Particle Reagent
    • Sudan Black
    • Forensic Light Source – examination and search
Latent Prints:
  • Evaluation and comparison of latent prints
  • Evaluation and comparison of inked prints
  • Automated search of latent prints in the Biometric Identification System and the Integrated Automated Fingerprint Identification System
Impression Evidence:
  • Processing, recovery, preserving, evaluation and comparison of footwear impression evidence
  • Research of unknown tread designs to determine the possible manufacturer, model and size range of the footwear that produced the impression
  • Methods available:
    • Casting
    • Electrostatic lifting
    • Photography
    • Lifting
    • Chemical methods listed under Crime Scene – Latent Print Processing
Biological Screening:
  • Pre-screening items of physical evidence for the detection, preservation and testing for the presence of biological evidence
  • Pre-screening for blood and semen only
  • Recovered biological samples will be submitted to the Florida Department of Law Enforcement Orlando Regional Operations Center Biology Section for DNA testing, if requested.
  • Methods available:
    • Phenophthalin Presumptive Blood Test
    • OneStep ABACARD HemaTrace Test
    • Acid Phosphatase
    • Microscopic examination for male genetic material
    • Christmas Tree Stain
    • ABAcard P30 test
NIBIN Entry:
  • Cartridge cases from crime scenes are entered into the National Integrated Ballistic Information Network (NIBIN) utilizing the BrassTrax 3D Acquisition System for comparison with cartridge cases in the system
  • Test fire weapons to obtain cartridge cases for entry into the National Integrated Ballistic Information Network (NIBIN) utilizing the BrassTrax 3D Acquisition System for comparison with cartridge cases in the system
  • The Florida Department of Law Enforcement Orlando Regional Operation Center Firearms Section will conduct the comparisons generated by the entries
Evidence Unit:
  • Care and custody of property and evidence for the Seminole County Sheriff’s Office
  • Provide copies of evidentiary items to law enforcement, court representatives and attorneys
  • Research found and abandoned property to return to the lawful owners
Courtroom Testimony:
  • Employees of the laboratory have extensive training in courtroom testimony and are available for testimony when requested


Seminole County Sheriff's Office
100 Eslinger Way
Sanford, Florida 32773
Phone: (407) 665-6600