The excavation on Nassau Street, where the original church has stood since the 1800s, started because of a desire to learn more about the church's history.
but now a team of anthropologists over the last year has been going through all of this area, cleared out all of the woods around here, and they re finding the possibility of many more grave shafts, which is only leading to the mystery of what happened here in mariana. the research project led by university of south florida anthropologist erin kimmerle turned up additional grave sites during months of searching the grounds. kimmerle says as many as 18 more bodies could be buried here and the research team believes a second cemetery could be hidden on the school grounds. we ve got something right there. we ve found burials within the marked current marked cemetery. and then we ve found burials that extend beyond that. reporter: kimmerle has traveled the world investigating war crimes for the united nations. searching for mass graves in places like yugoslavia and peru. have you done just this area, or has all of it? all of it.