During the hearing, Mullin confronted OBrien.

You wanna run your mouth?

We can be two consenting adults, we can finish it here, he said.

ALBUQUERQUE, NEW MEXICO - OCTOBER 31: Sen. Markwayne Mullin (R-OK) (L) joins Republican presidential nominee, former President Donald Trump during a campaign rally at Albuquerque International Sunport on October 31, 2024 in Albuquerque, New Mexico. With less than a week until Election Day, Trump is campaigning for re-election in New Mexico and the battleground states of Nevada and Arizona on Thursday. (Photo by Chip Somodevilla/Getty Images)

Sen. Markwayne Mullin (R-OK) (L) joins Donald Trump during a campaign rally on October 31, 2024 in Albuquerque, New Mexico.Chip Somodevilla/Getty Images

The Senator later defended his actions,sayinghe could have beat up OBrein if not for political correctness.