FILE - In this Nov. 7, 2018, file photo, Mark Harris speaks to the media during a news conference in Matthews, N.C. The nation's last unresolved fall congressional race with  Harris against Democrat Dan McCready is awash in doubt as North Carolina election investigators concentrate on a rural county where absentee-ballot fraud allegations are so flagrant they've put the Election Day result into question.
FILE - In this Nov. 7, 2018, file photo, Mark Harris speaks to the media during a news conference in Matthews, N.C. The nation's last unresolved fall congressional race with Harris against Democrat Dan McCready is awash in doubt as North Carolina election investigators concentrate on a rural county where absentee-ballot fraud allegations are so flagrant they've put the Election Day result into question. Chuck Burton, File AP Photo
FILE - In this Nov. 7, 2018, file photo, Mark Harris speaks to the media during a news conference in Matthews, N.C. The nation's last unresolved fall congressional race with Harris against Democrat Dan McCready is awash in doubt as North Carolina election investigators concentrate on a rural county where absentee-ballot fraud allegations are so flagrant they've put the Election Day result into question. Chuck Burton, File AP Photo