In a courtroom-TV-worthy twist, FBI agents and scientists used a tiny clump of moss to help convict four cemetery workers of their grisly grave-robbing crimes. The scandal at Burr Oak Cemetery, located just outside of Chicago, Illinois, began in 2009 when investigators accused the workers of exhuming old graves, dumping the bodies elsewhere in the cemetery, and reselling the burial plots. After forensic investigation, the prosecutors asserted that approximately 1,500 bones from at least 29