A mail carrier discovered the body of a middle-aged man on the side of Shellmound Road this morning, according to the Marion County Sheriff's Office.
The body was found around 11:30 a.m. CST
Dispatchers with the sheriff's office would not confirm the man's name or cause of death Monday night, but said they are seeking the man's black 1994 Chevy pickup truck, which is missing.
An autopsy will be performed in Nashville, police said. The Tennessee Bureau of Investigation is also looking into the case.
Anyone with information is urged to contact the sheriff's office.