Criminal procedure; clarifying and including additional evidentiary disclosure requirements for prosecutors; effective date.

HB 1317 clarifies and expands Oklahoma prosecutors' requirements to disclose evidence to defense attorneys in criminal cases. It mandates that prosecutors share specific information including witness statements, law enforcement reports, forensic lab results (with privacy protections for SSN/address), and any evidence that could help the defense (e.g., evidence negating guilt or impeaching witnesses). The bill directly affects prosecutors, who must now make a "diligent, good faith effort" to locate and disclose all relevant evidence, including materials held by third-party labs. Key mechanisms include new categories for witness background checks (OSBI rap sheets) and explicit disclosure of all evidence relevant to defense strategies, regardless of whether it's recorded. This aims to improve transparency in criminal proceedings for defendants and their attorneys.