Massie, who has served in Congress since 2012, pushed for the release of the Epstein files, criticized the war in Iran and voted against the tax bill.

Trump calls Thomas Massie a "Weak and Pathetic RINO" and backs Ed Gallrein in a heated Kentucky GOP primary clash.

The Kentucky Republican has emerged as perhaps the president’s most critical primary target after bucking him on issues ranging from budget legislation to the Epstein files.