Chris Clemons' layup with 52 seconds left brought Campbell within 67-65 after a 9-2 run. Justin Jones made a layup and Travis McConico made 1 of 2 foul shots and Charleston Southern (12-15, 7-9 Big South) led by five.
McConico fouled Clemons on his 3-point attempt with seven seconds left to shave the Camels' deficit to 70-68 before Christian Keeling sealed the win with a pair of free throws.
Keeling finished with 16 points with four 3-pointers, grabbed six rebounds and Jones finished 7-of-10 shooting from the field. Charleston Southern now has won four of its last five.
Campbell (15-13, 9-7) got 24 points from Chris Clemons, Andrew Eudy scored 18 and Marcus Burk had 13. Despite 38 percent shooting -- including 5 of 25 from distance -- Campbell stayed in it by shooting 21 of 24 from the foul line.
Mike Krzyzewski switched to zone last season to mask his young team's defensive frailties. Will we see that again in 2018-19?
The cream of the crop of American high school basketball will congregate in Colorado Springs from Oct. 5-7, as USA Basketball unveils its newly expanded Junior National Team minicamp in collaboration with the NBA, NCAA and NBPA.
Missouri guard Cullen VanLeer is retiring from basketball after tearing his ACL in the Tigers' final regular-season game last season.