Kendrick Johnson was found dead in a gym at Lowndes County High School in January.
State medical examiners concluded that the three-sport athlete suffocated after getting stuck in a rolled-up gym mat while reaching for a sneaker.
His parents, Kenneth and Jacquelyn Johnson, never have bought that explanation.
They won a court order to have their son's body exhumed and a second autopsy performed in June.
But the discovery that their son's body and skull had been stuffed with newspaper before burial added a horrific new dimension to their anguish.
During an autopsy, internal organs are removed and examined before being returned for burial.
But when Dr. Bill Anderson, the private pathologist who conducted the second autopsy, opened up the teen's remains, the brain, heart, lungs, liver and other viscera were missing.
"I'm not sure at this point who did not return the organs to the body," Anderson said.
Funeral homes are licensed by the Georgia Secretary of State's office, which has opened an investigation into how Johnson's body was treated, said Jared Thomas, a spokesman for the agency.
Federal prosecutors in south Georgia have met with the family's representatives and are weighing whether to open their own probe, said Michael Moore, the U.S. attorney whose district includes Valdosta.
http://edition.cnn.com/2013/10/09/us/georgia-gym-mat-death/