The rationale, Mr. Broden stated, was politics.

“Most, if not all, of the Portland dismissals, presents of pretrial diversion, and pleas to considerably diminished expenses got here after a change from the Republican administration to the Democratic administration operating the Division of Justice,” he wrote.

Prosecutors disputed Mr. Broden’s calculations as a preliminary matter, arguing that they contained “inaccuracies,” however the authorities’s submitting additionally sought to make a broader level that there was extra at stake in Washington on Jan. 6 than in weeks of turmoil in Portland.

Mr. Miller, prosecutors famous, was “a part of a mob” that “breached the Capitol constructing, and assaulted legislation enforcement with the purpose of impeding congressional certification of the 2020 presidential election.” The defendants in Portland, they identified, by no means truly broke into the courthouse and by no means disrupted a continuing earlier than Congress.

The prosecutors additionally argued that they’ve higher proof in opposition to Mr. Miller — and the a whole bunch of different rioters charged in reference to Jan. 6 — than they ever managed to acquire in opposition to the protesters in Portland.

Within the days resulting in the Capitol assault, courtroom papers say, Mr. Miller posted messages on Fb, speaking a few potential civil battle and the collapse of the economic system, and suggesting that he would possibly take firearms to Washington. On the day of the riot, the papers say, surveillance movies present him pushing previous officers and coming into the Capitol whereas others present him confronting the police inside in “a combating stance with one in all his legs in entrance of the opposite.”

Furthermore, prosecutors say, within the days that adopted the riot, Mr. Miller posted messages on Twitter threatening to “assassinate” Consultant Alexandria Ocasio-Cortez, Democrat of New York. He’s additionally accused of threatening the officer who fatally shot a woman, Ashli Babbit, in the Capitol by posting a photograph of a noose on Instagram and writing, “He’ll swing.”