DAVID MARCUS: Trump's defiant supporters flock to Butler rally with renewed confidence

Thousands of supporters of former President Trump returned to Butler, Pa., Saturday, amid an increased presence of Secret Service and security details and checkpoints.

BUTLER COUNTY, Pa. – In the couple of weeks after Kamala Harris replaced Joe Biden atop the Democratic ticket, there was a decided doldrum I detected across the country from Trump supporters.

But Saturday, as Trump returned to the site of his July 13 near assassination and the tragic murder of Corey Comperatore, a new confidence was clear among his faithful.

Rob is a teacher who lives in Pennsylvania and was carrying a clipboard, registering voters who stood in the vast line to get in.

"I coach wrestling," Rob told me, "and when they switched in Harris it was like a wrestler had his opponent pinned, and suddenly they swap in a new, fresh opponent. Even if that new opponent is weak, it's still deflating."

TRUMP SUPPORTERS WEIGH IN ON SAFETY AT HISTORIC PENNSYLVANIA RALLY

But now, Rob, who had registered about a dozen new voters when I spoke to him early in the day, thinks Trump has turned a corner, and is poised to defeat Harris.

He wasn’t alone.

Joe, a retired NYPD officer, drove six hours from Staten Island with nephew Uriel to witness Trump's return to Butler. (David Marcus for Fox News Digital)

On a park bench in the shade, I found........

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