You likely saw the images from Dublin city centre last week: hundreds of people lining O’Connell Street on Halloween night, all eagerly awaiting a promised parade. It soon became apparent that something was amiss… there was no parade and these people had been duped by online misinformation. The Journal’s FactCheck Editor Stephen McDermott joins us to examine how this happened, and how the rise of 'AI slop' has created a breeding ground for this type of content.