In the palm-fringed suburbs of South Florida, a new and volatile form of "justice" is being livestreamed to millions. Groups like 561PC (561 Predator Catchers), led by Dustin Lampros, have become internet sensations by hunting alleged child predators. But as their viral videos lead to high-profile arrests in Delray Beach and beyond, a heated legal debate is erupting: Are these vigilantes truly protecting children, or are they manufacturing crimes that would never have existed