Watch Lash of the Penitentes for Free: How to Stream the Movie Online at 123Movies. . Fact and fiction collide in this exploitation flick that employs documentary footage depicting the bizarre self-flagellation rituals of the fanatical Catholic sect known as the Penitentes. Mixed with those truly disturbing sequences is a story concerning a killing in New Mexico, itself inspired by the murder of real-life reporter Carl Taylor as he worked on an article on the Penitentes.