The Oklahoma State Bureau of Investigation is a professional law enforcement agency that performs many functions in order to fulfill its mission of Protecting Oklahoma, One Partnership at a Time.

OSBI special agents investigate major crimes and assist when requested by a statutory requestor. OSBI also operates several specialized units such as Crimes Against Children, Polygraph, Forensic Video/Audio Analysis, and the Crimes Information Unit. Criminalists assigned to OSBI’s Forensic Science Services utilize cutting-edge technology to perform forensic analysis in controlled substances, trace evidence, toxicology, serology/DNA, latent prints, and firearms and toolmarks for law enforcement agencies throughout Oklahoma.

OSBI is Oklahoma’s repository for fingerprints, criminal history information, and crime reporting. The OSBI Self-Defense Act Unit administers the licensing of Oklahoma residents to carry a handgun.

To see all services the OSBI offers, or to find other information, click on a link below.