Authorities unearthed the corpse from the backyard of a Southeast Fresno home Tuesday afternoon.
The discovery was made behind a home near Dearing and Fillmore, after Fresno police served a search warrant there.
Detectives believe the body could be connected to a missing person's case in 2009, but because the body was so badly decomposed - the coroner's office says additional testing is needed to confirm the identity.
Meantime, friends and family of missing Steven Humphrey, 15, are convinced the body is his.
"We knew exactly where he was buried, I mean everyone in the neighborhood knew," said Emily Essman. "No one is shocked."
The coroner's office says it's going to take DNA and dental records to get a positive ID on the victim. The additional tests, could take several days.