The Palmetto State’s senior senator has faced primary challenges before, and multiple challengers helped lead to a split in the anti-Graham vote.

"As a proven conservative fighter, I will unapologetically stand with President Trump and the America First agenda and will fight to put South Carolina first," André Bauer said.

State Rep. RJ May was a founding member of the South Carolina hard-line conservative group. He was a lead strategist and often the target of ire in the House.