Fallen

In the movie "Fallen" (1998), Detective John Hobbes, played by Denzel Washington, investigates a series of gruesome murders. As he delves deeper into the case, he realizes that the crimes are linked to a malevolent entity known as Azazel, who can possess individuals and commit evil acts through them. Hobbes must race against time to stop Azazel before it's too late. The film is a psychological thriller that explores themes of good versus evil and the nature of temptation.