University of South Florida student volunteer Paige Phillips sifts dirt at the Boot Hill Cemetery at the now closed Arthur G. Dozier School for Boys in Marianna, Florida, August 31, 2013. Thirty one ... more 
University of South Florida student volunteer Paige Phillips sifts dirt at the Boot Hill Cemetery at the now closed Arthur G. Dozier School for Boys in Marianna, Florida, August 31, 2013. Thirty one metal crosses mark a cemetery on the property, but ground penetrating radar shows 19 possible burial sites that are unmarked. The researchers are sifting through topsoil looking for human remains. REUTERS/Edmund D Fountain/POOL (UNITED STATES - Tags: EDUCATION CRIME LAW SOCIETY) less 
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Reuters | Photo By POOL / REUTERS
Sat, Aug 31, 2013 11:47 AM EDT