A limited number of evidence types are able to be mailed to the OSBI laboratories for analysis.
The Oklahoma State Bureau of Investigation laboratories require the following evidence types to be submitted in person:
- Handguns
- Long Guns (Rifles and/or Shotguns)
- Evidence requiring refrigeration/freezing, and
- Most Forensic Biology evidence
NOTE: Sexual assault kits and known DNA reference samples can be mailed to the laboratory for analysis.
It is recommended that if evidence is submitted by mail, a tracked method is utilized. Click here to view the Evidence Submittal by Mail memo from February 2024.