The district attorney in Wake County, North Carolina, has been investigating claims of election tampering in North Carolina’s 9th District for months, long before the results of the district’s congressional race were thrown into question over claims of fraud.

Lorrin Freeman opened a probe earlier this year to examine irregularities in the 2016 election in the 9th-District section of Bladen County, and has since added similar allegations from the 2018 primary and general elections to her investigation.

“There has been an open investigation throughout this period,” Freeman, a Democrat who won a second term to her post based in Raleigh earlier this year, told the News and Obvserver.

Republicans in North Carolina are pressuring the state elections board there to certify the 9th District results, even as the board continues to investigate irregularities in absentee mail-in voting.

Republican Mark Harris, a Baptist minister, defeated Democrat Dan McCready by 905 votes in the unofficial vote count.