Alex Cross (2012) on Netflix

Detective Alex Cross is investigating a gruesome murder. He thinks who the killer's next target is and goes there and sure enough the killer shows up. But Cross stops him. Later while Cross is out with his wife, the killer calls him because he doesn't like failing. Cross then sees he has a gun on his wife and he tries to save her but doesn't. He also learns that a cop he works with was also killed. Cross and his partner then set out to find the man even if it means breaking the law.