Federal Lawsuit Targets California's Noncitizen Voter Registration

WHO:

CBS News - The Justice Department is involved in the lawsuit against California.

NY Post - Officials from the Trump administration are criticizing California's voting practices.

WHAT:

CNN - The lawsuit filed by the Trump administration seeks to block state election officials from counting the ballots of approximately 20,000 individuals believed to be non-citizens.

CNN - The Justice Department's lawsuit claims that California began mailing ballots on October 5.

CNN - The lawsuit states that the Justice Department dropped off a thumb drive with names of potential noncitizens with the office of Los Angeles County Registrar-Recorder Dean Logan.

CNN - The lawsuit indicates that the Department of Homeland Security and the US Customs and Immigration Services have been comparing publicly accessible voter rolls with internal immigration records to identify potential non-citizens.

CNN - The Department of Homeland Security and the US Customs and Immigration Services have been using third-party software to identify matches between voter information and immigration records, categorizing them as high, medium, or low confidence matches.

CNN - The lawsuit claims that California intends to count votes without verifying voter citizenship, stating, "The State knows that noncitizens might be registered to vote, and it knows the names of such individuals."

CNN - California Secretary of State Shirley Weber expressed that the information provided by the DOJ "lacks both the detail and function to be of any investigative use."

ABC News - The LA County Clerk stated they would refuse to access a thumb drive that allegedly contains names of potential noncitizens believed to be on the state's voter registration list.

CNN - The lawsuit filed by the Trump administration is described as a “long shot” and “a press release masquerading as litigation” by legal experts.

CNN - The Justice Department's lawsuit claims that California's actions "knowingly facilitate unlawful voting," as it intends to count votes without verifying voter citizenship.

CNN - The lawsuit indicates that California has begun mailing ballots to voters, which started on October 5.

CNN - The Justice Department's complaint states that it is not practicable or feasible for the United States to investigate thousands of individuals identified as likely non-citizens before the 2026 election concludes.

CNN - The lawsuit claims that the Department of Homeland Security and the US Customs and Immigration Services have been using third-party software to identify matches between voter information and immigration records, categorizing them as high, medium, or low confidence matches.

CNN - The lawsuit gives insight into how the Trump administration has been coming up with its claims regarding non-citizens on California voter rolls, derived from public voter registration information obtained by the federal government.

CNN - California Secretary of State Shirley Weber stated that the information provided by the DOJ "lacks both the detail and function to be of any investigative use."

CNN - The lawsuit states that California intends to count votes without verifying voter citizenship, alleging that "The State knows that noncitizens might be registered to vote, and it knows the names of such individuals."

CNN - The Justice Department's lawsuit claims that California's actions "knowingly facilitate unlawful voting."

CNN - The lawsuit describes the claims of non-citizens on California voter rolls as derived from public voter registration information obtained by the federal government.

CNN - The lawsuit filed by the Trump administration seeks to block state election officials from counting the ballots of approximately 20,000 individuals believed to be non-citizens.

CNN - The Justice Department stated, "To be sure, the United States actively investigates and prosecutes incidents of unlawful voting," but noted it is not feasible to investigate thousands of individuals before the 2026 election concludes.

CNN - California Secretary of State Shirley Weber expressed that the information provided by the DOJ "lacks both the detail and function to be of any investigative use."

CNN - The Justice Department's lawsuit claims that California began mailing ballots on October 5.

CNN - The lawsuit states that the Justice Department dropped off a thumb drive with names of potential noncitizens with the office of Los Angeles County Registrar-Recorder Dean Logan.

CNN - The lawsuit describes the Trump administration's claims of non-citizens on California voter rolls as derived from public voter registration information obtained by the federal government.

CNN - The Justice Department's lawsuit claims that it is not practicable or feasible for the United States to investigate thousands of individuals identified as likely non-citizens before the 2026 election concludes.

CNN - The lawsuit states, "The State knows that noncitizens might be registered to vote, and it knows the names of such individuals," alleging that California intends to count their votes without verifying citizenship.

CNN - The lawsuit describes the claims of non-citizens on California voter rolls as derived from public voter registration information obtained by the federal government.

CNN - The lawsuit seeks to block state election officials from counting the ballots of approximately 20,000 individuals the Trump administration believes could be non-citizens.

CNN - The Justice Department's lawsuit claims that California's actions "knowingly facilitate unlawful voting."

CNN - California Secretary of State Shirley Weber stated that the information provided by the DOJ "lacks both the detail and function to be of any investigative use."

ABC News - The LA County Clerk stated they would refuse to access a thumb drive that allegedly contains names of potential noncitizens believed to be on the state's voter registration list.

CBS News - The Justice Department has sued California over the registration of noncitizens to vote.

CBS News - More than 20,000 noncitizens have been identified as unlawfully registered to vote in California.

NY Post - The Trump administration claims that California's lax voting rules have invited fraud.

WHERE:

CBS News - The lawsuit targets the state of California.

WHY:

CNN - The Justice Department claims that the Constitution’s Supremacy Clause gives it the ability to challenge California's actions regarding voter registration.

CNN - The lawsuit argues that California's actions "knowingly facilitate unlawful voting," as it intends to count votes without verifying voter citizenship.

NY Post - The Trump administration alleges that California's voting practices are too lenient, leading to potential voter fraud.

HOW:

CNN - The lawsuit details that the Department of Homeland Security and the US Customs and Immigration Services have been using third-party software to identify matches between voter information and immigration records, categorizing them as high, medium, or low confidence matches.

CNN - The Trump administration's claims regarding non-citizens on California voter rolls were derived from public voter registration information obtained by the federal government.

CNN - The Trump administration's claims of non-citizens on California voter rolls were derived from public voter registration information obtained by the federal government.

CNN - The Department of Homeland Security and the US Customs and Immigration Services have been comparing publicly accessible voter rolls with internal immigration records to identify potential non-citizens.

CBS News - The Justice Department's lawsuit is based on the identification of unlawfully registered noncitizens.

(UPDATED October 16, 2026 13:59 UTC)

The Trump administration has filed a lawsuit aiming to prevent California from counting the ballots of around 20,000 individuals suspected of being non-citizens, claiming that the state began mailing ballots on October 5. The lawsuit includes a thumb drive with names of potential non-citizens that was delivered to Los Angeles County Registrar-Recorder Dean Logan, while the Department of Homeland Security and the US Customs and Immigration Services have been using software to compare voter rolls with immigration records. California Secretary of State Shirley Weber has criticized the information from the Justice Department as lacking detail and utility, and the LA County Clerk has stated they will not access the thumb drive containing the names.

(UPDATED October 16, 2026 13:06 UTC)

The Justice Department has filed a lawsuit against California, claiming that the state's actions "knowingly facilitate unlawful voting" by counting votes without verifying voter citizenship. Legal experts have described this lawsuit as a “long shot” and “a press release masquerading as litigation,” while California Secretary of State Shirley Weber criticized the information provided by the DOJ as lacking detail and function for any investigative use. The lawsuit also reveals that California has begun mailing ballots to voters, a process that started on October 5, and suggests that the Trump administration's claims about non-citizens on voter rolls stem from public voter registration information obtained by the federal government.

(UPDATED October 16, 2026 09:59 UTC)

The Trump administration has filed a lawsuit aiming to prevent state election officials from counting the ballots of about 20,000 individuals suspected of being non-citizens. The Justice Department acknowledged that while the U.S. investigates unlawful voting, it would be impractical to look into thousands of cases before the 2026 election concludes. California Secretary of State Shirley Weber criticized the DOJ's information as lacking detail and usefulness for any investigation, while the lawsuit claims that California is planning to count votes without verifying voter citizenship.

(UPDATED October 16, 2026 07:59 UTC)

The Justice Department has filed a lawsuit against California, claiming that the state began mailing ballots on October 5 and that it dropped off a thumb drive containing names of potential noncitizens with the Los Angeles County Registrar-Recorder. The lawsuit alleges that the Trump administration's assertions about non-citizens on California's voter rolls stem from public voter registration information obtained by the federal government, and it details how the Department of Homeland Security and US Customs and Immigration Services have been using third-party software to match voter information with immigration records. According to the Justice Department, the Constitution’s Supremacy Clause empowers it to challenge California's voter registration actions.

(UPDATED October 16, 2026 02:05 UTC)

The Justice Department has filed a lawsuit claiming that it is not feasible for the United States to investigate thousands of individuals identified as likely non-citizens before the upcoming election in 2026. The lawsuit alleges that California is aware that non-citizens may be registered to vote and intends to count their votes without verifying their citizenship, based on public voter registration information obtained by the federal government. Additionally, the Department of Homeland Security and the US Customs and Immigration Services have been using third-party software to identify matches between voter information and immigration records, categorizing these matches by confidence level.

(UPDATED October 15, 2026 22:59 UTC)

The Trump administration has filed a lawsuit aimed at preventing state election officials from counting ballots cast by approximately 20,000 individuals they believe may be non-citizens, claiming that California's actions "knowingly facilitate unlawful voting." In response, California Secretary of State Shirley Weber criticized the Justice Department's claims, stating that the information provided lacks the necessary detail to be useful for any investigation. The administration's allegations are based on public voter registration data that the federal government has obtained, with the Department of Homeland Security and US Customs and Immigration Services comparing these voter rolls against internal immigration records to identify potential non-citizens.

(UPDATED October 15, 2026 22:00 UTC)

In a significant development, the LA County Clerk announced that they will not access a thumb drive that reportedly contains names of potential noncitizens believed to be on the state's voter registration list. This decision has raised questions about the handling of voter registration in California. The Clerk's refusal comes amid ongoing discussions about election integrity and access to voter information.

(UPDATED October 15, 2026 21:03 UTC)

The Justice Department has filed a lawsuit against California over the registration of noncitizens to vote, claiming that more than 20,000 noncitizens have been unlawfully registered. Officials from the Trump administration are criticizing California's voting practices, alleging that the state's lax rules have opened the door to potential voter fraud. The lawsuit specifically targets these voting practices, asserting that they are too lenient and have contributed to the issue at hand.