Review: ’13th’ traces racist roots of prison system ‘Selma’ director Ava DuVernay examines why prisons are overflowing with minorities Check out this story on detroitnews.com: http://detne.ws/2h3g4RT ,” about the prison industrial complex, was released in October it came with a bit of unstated hope that prison reforms might well be on the way. That hope was pretty much extinguished on Nov. 8. What seemed like an enlightening message suddenly became a dire one as a move away from privately run prisons turned back on itself and “13th” became a prime example of how art is altered by social context.