A federal judge issued a ruling Monday blocking the Trump administration from accessing a federal citizenship database to cross-check and potentially remove voters from registration rolls. The court found the administration's approach legally problematic, with the judge warning the process could lead to improper voter purges.

The administration had sought to use the database as part of a broader effort to identify and remove non-citizen voters, arguing the program was a necessary safeguard to ensure election integrity. Federal officials contended that cross-referencing voter registration data with citizenship records was a straightforward verification measure.

Critics of the program, including voting rights advocates, argued that the database matching process was error-prone and risked incorrectly flagging eligible citizens for removal. The judge's ruling cited concerns about the reliability of the matching methodology and the potential for eligible voters to be disenfranchised.

The ruling adds to a series of legal challenges facing the administration's election-related initiatives. Supporters of the effort say the courts are obstructing legitimate measures to maintain accurate voter rolls, while opponents say the ruling correctly prevents a rushed and flawed process from affecting voter eligibility ahead of future elections.