President Trump promised long jail terms for California election officials who ignore a Justice Department warning and include mail-in ballots from suspected noncitizens in the midterm tallies.

On Friday, President Donald Trump posted on Truth Social that California officials who refuse to heed the Department of Justice will face serious consequences. “They will all go to jail for a long period of time!!!” he wrote, sharing a copy of a DOJ letter sent to the Los Angeles County Counsel’s Office.

Breitbart reported the warning came after the DOJ sued California on Thursday over voter-roll citizenship data and the handling of ballots tied to people flagged as potential noncitizens.

The core fight is simple. Noncitizen voting in a federal election is a federal crime. The administration says state and local officials who knowingly process those ballots can face criminal exposure too.

DOJ hands over data and a 48-hour clock

Earlier in the week the Justice Department sent election officials a letter with a password for files on a USB drive. The drive held voter-roll citizenship data. Officials got 48 hours to compare roughly 20,000 names the Department of Homeland Security had flagged as non-U.S. citizens against California’s own rolls.

Fox News reported the DOJ told California it would seek emergency relief if the state failed to implement the review process while a federal election was underway. Acting Deputy U.S. Attorney Trent McCotter delivered the message.

The federal request was direct. If California could not independently confirm citizenship for people on the list, it was to set those ballots aside until status was verified. Trump’s post referenced some 200,000 people identified as potential noncitizens whose mail-in ballots were at issue in the broader dispute.

The same Justice Department has also moved on other citizenship integrity cases, including efforts to revoke citizenship from dozens of naturalized foreign nationals accused of fraud.

Letter spells out criminal risk for officials

The DOJ letter to Los Angeles County Counsel warned of “significant” consequences for “facilitating or ignoring” the federal crime of illegally voting in a federal election. Just the News detailed that the warning arrived one day after the lawsuit and framed knowing assistance as potential criminal liability, including as aiders and abettors.

Trent McCotter put it in plain terms in the letter covered by multiple outlets.

“The legal consequences for either facilitating or ignoring a federal crime are significant. Noncitizen voting in a federal election is a federal crime, and knowingly facilitating such conduct is equally unlawful.”

The New York Post added McCotter’s further line: if persons knowingly tabulate ballots cast by individuals identified by federal agencies as noncitizens, they risk becoming aiders and abettors to a federal crime. The Post also noted the DOJ has charged about 50 people this year with illegally voting as noncitizens.

Trump earlier this year alleged California and three other states together had 250,000 noncitizens on voter rolls, a figure his opponents disputed. The current action centers on the DHS-flagged list and the demand that unverified ballots stay out of the count.

Newsom calls it voter suppression

California Democratic Gov. Gavin Newsom issued a written response to the civil complaint. He cast the lawsuit as a political move timed close to Election Day.

“sad, desperate attempt by Trump to use his politicized Justice Department to try to suppress California voters just three weeks before Election Day.”

Newsom went further on the federal-state line.

“The courts have made clear that the federal government has no role in how a state carries out its election process, and now, in the middle of Californians voting, they have asked local officials, who do a d*** good job defending democracy, to violate federal law.”

That claim sits against the statute reality the DOJ cites: noncitizen voting in federal elections is illegal, and the administration is treating facilitation the same way. Trump has pressed similar high-stakes enforcement themes elsewhere, including when he urged Minnesota to fight back after a Somali American was charged in an alleged ISIS plot tied to the Mall of America.

Voting-rights group already in court

In September the UCLA Voting Rights Project sued the DOJ and DHS. The group questioned how the administration produced its numbers of noncitizens registered to vote. Attorneys later wrote the DOJ again and said they would seek a temporary restraining order if the administration did not drop plans for a criminal crackdown on state officials.

“Your clients’ actions in compiling the list violates established law; your efforts to employ this list to systematically purge voters, less than a month before the election, further violates the National Voter Registration Act, among other laws.”

The National Voter Registration Act sets rules on list maintenance and timing. The group frames the federal list and the set-aside request as an unlawful purge. The DOJ frames it as basic citizenship verification before ballots are counted in a federal race.

Separate enforcement work has already produced arrests. The Washington Examiner reported federal agents charged 28 suspects in California voter-fraud cases under Operation Protect the Vote, mostly foreign nationals accused of fraudulent registration, with most alleged to have cast ballots. At least 11 were arrested days after the DOJ sued the state and warned election officials.

Institutional friction around the Justice Department is not new in the Trump era; the department has even had to walk back missteps such as when it apologized after Trump ads kept running past a court block.

What the lawsuit and letter actually demand

The DOJ posted its complaint online as a courtesy to the public. The operative ask was narrow and concrete: compare the flagged names, confirm citizenship where possible, and hold aside ballots from anyone whose status remains unconfirmed. The USB drive and password letter gave California the data and a short window. When that window closed without the process the department wanted, the lawsuit and the criminal-warning letter followed.

Trump’s Truth Social post put the political point on top of the legal one. He did not merely endorse the civil suit. He said officials who disregard the warning will go to jail for a long time. The letter he shared already promised significant consequences for facilitating or ignoring illegal voting in a federal election.

Critics on the left treat any citizenship check near an election as suppression. Newsom’s statement and the UCLA project’s letter both lean on that frame. The federal side treats citizenship as the threshold question for who may lawfully cast a ballot in a federal contest, and it is now pairing civil relief with explicit criminal warnings to the people who tabulate the votes.

Transparency fights elsewhere in government remain a parallel concern for conservatives watching federal agencies, including pressure on the FBI over a slow drip of Butler shooting files.

California officials now face a choice the DOJ has made public: verify the flagged names and set uncertain ballots aside, or proceed and accept the legal risk the department has described in writing. Trump has made clear which outcome he expects and what he says should follow if officials refuse.

Secure elections start with a simple rule, only citizens vote, and officials who treat that rule as optional should not be surprised when the law shows up with handcuffs instead of another strongly worded memo.