I've Seen Things (2017)

Sometimes cops have to take a vow to hold onto their hearts and not get too close. Detective Larson stepped over that line and finds himself in an ethical dilemma after a single mother is murdered by her boyfriend. Afraid the boyfriend will walk free, Larson's falling down an emotional rabbit hole. The loss of a friend drives this cop off the edge and he is forced to do something that he might regret for the rest of his life.