"David ""Cobra"" Clemente, left, and Mark ""Yankee"" Muniz stand guard by the memorial outside of Marjory Stoneman Douglas High School during the commemoration of the mass shooting that claimed 17 lives at the school in Parkland, Florida, on Thursday, February 14, 2019. Clemente and Muniz are part of the Guardian Angels Parkland chapter and have been standing watch at the school since the shooting last year."
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