The i-STAT TBI test is portable, which allows sports like Hockey, Rugby, Football, Skateboarding, and Motorsports, where concussions are commonplace, allowing its use on the sidelines.

Despite new hires, the TBI's firearms evidence backlog stretched to 71 weeks in March. Discover why evidence in gun crimes faces such long delays and how it impacts investigations across Tennessee.

In recent years, the state has increased its testing capacity by hiring additional scientists. TBI operates three forensic crime labs—one in Jackson, Knoxville, DRAFT TACIR draft 2 and Nashville.

CLEVELAND, Tenn. (WDEF) — Tennessee Bureau of Investigation (TBI) special agents are investigating an officer involved shooting in Cleveland. On Sunday June 29, 2025, at 11:23 p.m., a Cleveland ...