Peterson, an outspoken champion of liberal causes, had been a state senator for 12 years before her resignation earlier this year, and before that she spent a decade in the House. She lost a 2021 congressional race to U.S. Rep. Troy Carter.
If Peterson acknowledges steering money intended for the struggling Louisiana Democratic Party to her own use, it will add considerably to the controversy around her eight-year tenure as party chair, from 2012 to 2020.
Read more: Karen Carter Peterson expected to plead guilty to gambling with campaign, Dem party funds