Copenhaver, a 76‑year‑old resident of Moon Township, was among two people seriously wounded during the July 13 attack on Trump's campaign rally in Butler, Pennsylvania.---Gunman Thomas Crooks, 20, opened fire from a nearby roof, firing eight rounds before a U.S. Secret Service counter‑sniper team shot him dead.---Trump was struck in the ear and was removed from the stage while blood spattered his face, but he survived the assault.---Corey Comperatore, 50, was killed in the blast, leaving the rally’s security apparatus to scramble for control.---Trump posted a tribute on Truth Social, calling Copenhaver an "American patriot and warrior" and wishing him a peaceful rest.---Allegheny County Medical Examiner confirmed Copenhaver’s death on Wednesday, with the cause of death undisclosed; investigators are probing the chain of events.