A long line of voters wait to cast their ballots at the Wonderland of the Americas Mall in San Antonio late Friday afternoon, Nov. 2, the last day of early voting. Credit: Robin Jerstad for The Texas Tribune

A Latino civil rights group is suing top Texas officials over what the organization says is an “election-related ‘witch hunt’” designed to intimidate legitimately registered voters by asking them to prove their citizenship.

In a lawsuit filed in federal court in San Antonio, lawyers for LULAC’s national and Texas arms alleged that Texas Secretary of State David Whitley and Attorney General Ken Paxton violated a portion of the federal Voting Rights Act that prohibits the intimidation of voters.

They point to an advisory issued on Friday in which Whitley’s office said it was flagging individuals who had provided the Texas Department of Public Safety with some form of documentation – including a work visa or a green card – that showed they were not citizens when they were obtaining driver’s licenses or ID cards. The State put the number of registered voters who fell into that category at approximately 95,000 – 58,000 of whom had voted in one or more elections from 1996 to 2018.

In its announcement, the Secretary of State’s office said it had immediately turned over the data to Paxton’s office. On the same day, Paxton posted the news on Twitter prefaced with “VOTER FRAUD ALERT,” the lawyers noted in the lawsuit.

“These two Texas officials have carefully crafted and orchestrated a program that combines an election advisory ostensibly directed at ensuring that all those registered to vote in the May election are citizens eligible to vote with the use of data that is suspect on its face and a blackout on public access to the data,” LULAC’s lawyers wrote in the complaint.

The Secretary of State’s office declined to comment, referring a question to the Attorney General’s office. The Attorney General’s office did not immediately return a request for comment.

It’s unclear exactly how many of the individuals flagged by the State are not actually U.S. citizens. It’s possible some have become naturalized citizens since they obtained their driver’s licenses or ID cards – a point election administrators throughout the state made on Monday as they began parsing through the list of voters sent to each county.

Legal permanent residents, also known as green card holders, who become naturalized citizens after obtaining driver’s licenses are not required to update DPS on their citizenship status, according to voting rights lawyers. More than 30,000 immigrants in Texas were approved to become naturalized citizens in the first half of 2018. More than 52,000 were approved in 2017.

By law, counties are not allowed to automatically revoke a voter’s registration. Because the names sent to counties should be considered “weak” matches, counties may choose to verify the eligibility of the individuals flagged, which would require them to send notices asking for proof of citizenship within 30 days.

The Texas Tribune reached out to 13 of the 15 counties with the most registered voters on Monday. Only Galveston County indicated it would immediately send out letters asking voters for proof of citizenship, even as more than a dozen civil rights groups warned the state and local election officials that they risked violating federal law by scrutinizing the voters flagged by the state.

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Alexa Ura, The Texas Tribune

Alexa Ura covers politics and demographics for The Texas Tribune, where she started as an intern in 2013. She previously covered health care for the Trib. While earning her journalism degree at the University...