National Rifle Association (NRA) and another gun rights activist were both duped into delivering speeches during a graduation ceremony "dress rehearsal" for a since-discovered fake Las Vegas high school – as organizers of the ruse claim the thousands of empty chairs in the audience were meant to symbolize real 12th-grade students killed this year before their graduation days.
The group, "Change the Ref" – founded by Manuel and Patricia Oliver, whose son Joaquin "Guac" was killed in the 2018 mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla.