FILE - In this Sept. 26, 2018, file photo, Democratic congressional candidate Dan McCready leans against wallboard as he pauses during a Habitat For Humanity building event in Charlotte, N.C. The nation's last unresolved fall congressional race with McCready against Republican Mark Harris 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 Sept. 26, 2018, file photo, Democratic congressional candidate Dan McCready leans against wallboard as he pauses during a Habitat For Humanity building event in Charlotte, N.C. The nation's last unresolved fall congressional race with McCready against Republican Mark Harris 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 Sept. 26, 2018, file photo, Democratic congressional candidate Dan McCready leans against wallboard as he pauses during a Habitat For Humanity building event in Charlotte, N.C. The nation's last unresolved fall congressional race with McCready against Republican Mark Harris 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