Elizabethton High School class subject of Sundance Film Festival docuseries 'Murder101'

ELIZABETHTON, Tenn. (WJHL) - Alex Campbell's sociology classes consist of typical students each year, but once they step into room 206 at Elizabethton High School, they become investigators. Campbell's sociology class aided law enforcement in identifying victims and connecting them to one killer in a decades old case, an effort the class had been working [...]