According to Uncle Ray in this Episode. Alex is "28 Winters" this episode as its her birthday.
Unlike the "Touched by an Angel" fifth season episode "Into the Fire" which was also about a cult, this leader does not die at the end of this episode. He remains unconscious after a physical fight with Walker.
According to archive documents read by both Trivette and Walker, the given name of the New Canaan Heaven Compound cult leader John Bodie is Dwayne Blaine.