John Popp and Cameron Gray speak with Peter Vaillancourt, an armed citizen in New Hampshire who witnessed a man breaking into the Firefighters' Union Hall next door to his home. He called the police, but before they could get there, the burglar had advanced. Vaillancourt took his shotgun and approached the man and noticed on the way that he had two accomplices in a parked car. Vaillancourt held the burglar at gunpoint until authorities arrived. Originally aired 8/26/2011.