Mortification (Romans 8:12-13)

Main Point: In Romans 8 we have learned believers in Jesus cannot be condemned (v1-4), are made alive to God (v5-8), dwell in vital union with Jesus by the Spirit dwelling in them and their dwelling in the Spirit (v9-11), and are tasked (v13) with life and death struggle of putting to death the deeds of the body by the Holy Spirit.
I. What is Mortification? What is it Not?
II. Who are the Actors in Mortification?
III. When is Mortification of Sin Happening? What Is It Like?