Ryan Kirwan’s business was booming at the height of the post-pandemic production frenzy. With a sharp eye for self-promotion and breezy self-confidence, he transformed himself from an actor holding puppies in pet store ads to one of the UK’s go-to showreel producers, filming scenes in the service of hundreds of Hollywood hopefuls. “Just be nice,” was a work value he espoused. But a different side of Kirwan emerged over WhatsApp, and cyberflashing is a criminal offense in the UK.