Tennessee Bureau of Investigation - As introduced, requires the bureau to perform forensic analysis of sexual assault evidence collection kits within 30 days of the bureau's receipt of the sexual assault evidence collection kit from a law enforcement agency; requires the bureau to submit a plan for eliminating any existing backlog of sexual assault evidence collection kits waiting for analysis; requires the bureau to expunge a DNA record from a local, state, or national DNA database under certain circumstances. - Amends TCA Title 38, Chapter 6 and Title 39, Chapter 13, Part 5.