from a now defunct all-boys reform school were laid to rest long ago. we have something right there. reporter: now, a team of scientists from the university of south florida is trying to unravel the mystery. even if we can t name them, just the fact that they re not, you know, lost with trees growing through them i think is a big service to the community. reporter: for decades state officials insisted 31 boys were buried here on the grounds of the school once known as the dozer reform school for boys but the bodies were never properly accounted for. some died in a dormitory fire in 1914, some from a flu epidemic in 1918. but what haunts this place is the school s painful history. over the last few years dozens of former students have come forward to say teachers and administrators dealt ruthless beatings, sexual abuse, and even murder. using high-tech equipment the researchers found evidence of at least 19 more bodies buried in