"Elections are about winning," the Louisiana Republican said.

"Republicans, by the way, are guided by science," Sen. Bill Cassidy told the Native American congresswoman, despite his past vote rejecting climate science.

Multiple lawmakers publicly supported some kind of investigation into the deadly Capitol riot, a day after the Senate voted to acquit Trump in his impeachment trial.

Cassidy was one of seven GOP senators to join Democrats in voting to convict the former president of incitement.

"He is guilty," Bill Cassidy of Louisiana said.

Last year was the fourth-deadliest in the nation for right-wing extremist violence, according to data from the Anti-Defamation League's Center on Extremism.