Longmire - Season 1 Episode 10 -

When Walt is called to the scene of a murder of a local youth, he instantly recognizes him as one of a group of four boys who were acquitted of the rape of an developmentally challenged Cheyenne girl. With the cause of death being an arrow to the chest, Walt must act very carefully as tribal tensions are still high surrounding the failed rape case. Meanwhile, the relationship between Walt and Branch continues to break down, and a Denver detective arrives in town to interview Walt about another murder case.