I'm going with studies over anecdata, and also with the long-term track record that the South has earned of placing obstacles in the path of minorities voting.
* https://slate.com/news-and-politics/2012/08/voter-id-laws-wh...
* https://www.npr.org/2012/01/28/146006217/why-new-photo-id-la...
* https://rewire.news/ablc/2014/10/16/well-actually-pretty-har...
Voting is enshrined in the constitution as a fundamental right. Not everyone can get a photo ID, especially when the state doesn't want them to.