Forensic researchers will begin exhumations this weekend . The remains of the victims were found in a mass grave on Friday and Saturday. Then last year , forensic anthropologists from USF used their ground-penetrating radar to find what appeared to be 19 more remains than previously thought to have been buried on the school grounds . In 2009 , Florida investigators said 31 children were buried there . The probe found none of the deaths was suspicious .
Forensic researchers will begin exhumations this weekend . The remains of the victims were found in a mass grave on Friday and Saturday. In 2009 , Florida investigators said 31 children were buried there . The probe found none of the deaths was suspicious .