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ORLANDO, FL - JUNE 13: People hold candles during an evening memorial service for the victims of the Pulse Nightclub shootings, at the Dr. Phillips Center for the Performing Arts, June 13, 2016 in Orlando, Florida. The shooting at Pulse Nightclub, which killed 49 people and injured 53, is the worst mass-shooting event in American history. (Photo by Drew Angerer/Getty Images)