The founder of the far-right Oath Keepers has been sentenced to 18 years in federal prison in connection with the Jan. 6 attack on the Capitol following his conviction on seditious conspiracy.

The sentence for Stewart Rhodes is the longest imposed on a Jan. 6 defendant to date. “You, sir, present an ongoing threat and a peril to this country and to the republic and to the very fabric of this democracy," Judge Amit Mehta said before handing down the sentence.

Rhodes was convicted of seditious conspiracy in November along with Kelly Meggs, a fellow Oath Keepers member who will be sentenced later Thursday afternoon.

"They won't fear us until we come with rifles in hand," Rhodes wrote in a message ahead of the Jan. 6 attack. After the attack, in a recording that was played in court during his trial, he said his only regret was that they “should have brought rifles.”... Read More: NBC News