![Saw IV (2007) Saw IV (2007)](http://image.tmdb.org/t/p/w185/ku1QdCXOU4ckz3zxLLlis8MIJVm.jpg)
Overview
Jack Kempson started out as an idealistic cop. Thirty years on, he remains relentless in tracking down villains, but has lost confidence in his moral barometer. He turns a blind eye to the dubious methods employed by some of his contemporaries — prepared to let dodgy means be justified by the noble end.