An 18-year-old Real Life Vigilante invented a smart gun that allows only authorized users to fire their weapons. Will this save hundreds of lives or is this infringing on our Second Amendment rights? Jesse Ventura invites young inventor Kai Kloepfer (kaikloepfer.com) onto #OffTheGrid to get the lowdown on his biotech breakthrough. Would you own a smart gun? Sound off on Twitter @GovJVentura or at http://www.ora.tv/offthegrid.