The second and third sets of remains have been idenfied through DNA . Remains have been excavated from 55 unmarked graves , USF says . The Dozier School for Boys in Marianna , Florida , closed in 2011 . About 50 unmarked graves have been found on the school grounds . Comment:
The second and third sets of remains have been idenfied through DNA . The Dozier School for Boys in Marianna , Florida , closed in 2011 . About 50 unmarked graves have been found on the school grounds . Comment: