A top Republican super political action committee came out against Rep. Mo Brooks, R-Ala., and called him a self-interested politician after he announced that he will enter the Senate special election to fill out the remainder of Attorney General Jeff Sessions’ seat, which is currently held by Sen. Luther Strange, R-Ala.

“While Luther Strange was cleaning up the corruption in Montgomery, Mo Brooks was living the life of a Washington insider, opposing Donald Trump and failing to get a single bill signed into law in four terms in the House,” Senate Leadership Fund spokesman Chris Pack said in a statement. “If Brooks can’t cut it in the House, how can he be trusted to deliver results in the U.S. Senate?