south florida made a stunning discove discovery. using high-tech equipment they found evidence of at least 19 more bodies buried in this area. the research of school records showed the bodies of another 22 boyed who died at the school were never accounted for. we approach this with a goal to identify everyone. that s our objective. we know that realistly that won t happen. owen was sent here in 1940 and his family never saw him again. school officials said he died of pneumonia. another said he was shot and killed by school administrators. i believe to this day they shot my brother that night. i think they probably killed him. they brought him back to the school and buried him. reporter: john and his family visited the cemetery site on this day and they are hoping to find the body of a relative who was sent here in the 1930s. we have to dig up the past in order to build a better future.