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USOctober 16, 2026

The Justice Department is suing California to block counting of 20,000 mail-in ballots it says may belong to noncitizens

By Hypewik Desk · October 16, 2026 · 4 min read

The Justice Department is suing California to block counting of 20,000 mail-in ballots it says may belong to noncitizens

What happened

On Thursday, October 15, 2026, the US Justice Department sued California in federal court in Los Angeles, asking a judge to block the state from counting vote-by-mail ballots for the November 3 midterm elections from more than 20,000 voters the Trump administration alleges are likely noncitizens. The lawsuit seeks a court order preventing California from tabulating those ballots until each voter's immigration status is verified.

The filing came after an unusually tense 48-hour buildup. On Tuesday, the department gave California two days to review a list of roughly 20,000 names, delivered on a password-protected thumb drive to Los Angeles County Registrar Dean Logan — the only county election official named as a defendant — along with a handwritten note providing the password. The secretary of state's office later said the password was written on a sticky note, and Logan said he did not consider the thumb drive a secure device. His office confirmed the list contained voters from across California, not just Los Angeles County, even though he has no jurisdiction over ballots outside his county.

In a statement Thursday, Logan said his office cannot withhold ballots or refuse to count them "based solely on unverified allegations." Secretary of State Shirley Weber rejected the demands the same day, saying the federal government had provided no evidence or methodology to support the claim that the 20,000 are noncitizens, and warning that the requested steps threatened to disenfranchise registered voters. Weber also pointed to the National Voter Registration Act's 90-day quiet period against systematic voter-roll maintenance before a federal election, and noted that California law requires ballots to be mailed to all registered voters — more than 23 million people statewide.

According to Reuters, the department had argued that it sought to "work collaboratively" with California to identify noncitizens on the voter rolls, and that the state "made no serious effort to do so." The court has not ruled on the request, and it has not found that any of the challenged voters is actually ineligible.

Why it matters

The lawsuit is the latest and most aggressive move in the Trump administration's push to expand the federal government's role in running elections — a power the US Constitution assigns primarily to the states, with limited federal oversight. How far that oversight reaches is exactly what this case will test: the administration argues federal law makes noncitizen voting illegal and justifies intervention; California argues the federal government cannot direct which ballots a state sends or counts, especially on unverified claims and inside the 90-day quiet period.

The factual backdrop is disputed. President Trump has repeatedly claimed that noncitizen voting is widespread. Multiple studies have found it is vanishingly rare, and a Reuters investigation published in July found that just 129 people had been prosecuted for noncitizen voting since the statute criminalizing it passed in 1996. The administration, for its part, has ramped up such prosecutions in recent months.

The political stakes are concrete. Republicans are fighting a tight battle to hold both houses of Congress, and several competitive California congressional races could determine which party controls the House for the rest of Trump's term. A court-ordered freeze on 20,000 ballots in the country's largest state would be unprecedented in scale — and California officials warn that database errors could sweep up eligible naturalized citizens, whose votes would be delayed or effectively suppressed.

Equally important is what the suit does not change yet: no court has ordered any ballot held back. The confirmed fact is the lawsuit itself, not a suspension of votes. Everything else — whether the list is accurate, whether a judge grants emergency relief, whether ballots are segregated — is still to be decided.

What happens next

The immediate question is whether a federal judge grants the emergency order before ballots are mailed and returned in large numbers. California will respond in court, and both sides' arguments — verification and authority versus accuracy and the quiet period — will get their first judicial airing. Given the stakes and the calendar, an appeal in either direction is likely.

Watch also for whether other states receive similar thumb drives. The administration has framed California as the first front in a broader effort, and similar demands elsewhere would signal a national strategy rather than a one-state dispute. The midterms are on November 3 — nineteen days after the filing — and every ruling between now and then will land in the middle of the most contested election administration fight in recent American history.