>> Texas is shaping up to be a key battleground as Democrats try to win control of the US House of Representatives. But many Democratic voters in the state could find it harder to cast a ballot in the November elections. That's because the state has tightened a controversial photo ID law prevailing over civil rights groups that say it could exclude black and Hispanic voters.
Julia Hart traveled to Texas to get the story.>> This version of the law allows voters who lack acceptable photo ID to sign an affidavit, declaring that they have a reasonable impediment to getting the ID. But there's a steep penalty for voters to provide inaccurate information on the affidavit.
They could face jail time and a hefty fine.>> Researchers have found few examples of voter fraud over the past decade. And they can't point to a race where it made a difference. Republican lawmakers, like state Senator Don Huffines say there are new laws designed to ensure that fraud won't be a factor.
>> A lot of voter ID is preventive, to ensure again that every vote counts. And their knock in the vote wouldn't be cancelled out by somebody who's voting or someone voting improperly or illegally.>> Civil rights group say the new law could keep thousands of minorities from voting, even those who have a photo ID.
That could potentially tip three congressional races to Republican candidates, making it harder for democrats to pick up the 23 seats they need to win the House. Drew Galloway heads a group called Move San Antonio that's mobilizing young voters. He says the new law can be intimidating to people who haven't voted before.
>> What we're seeing is that in critical races, at the very, very local level, very close congressional races like congressional district 23. That law is having a massive effect on who can turn out and what resources they have to put into voting.>> Galloway says President Donald Trump's election has spurred a wave of activism, but that's no guarantee of success.
His group aims to register 35,000 voters this year, more than three times the number registered in 2016.