According to the DeKalb County Police Department, the remains were discovered along a stretch of I-20 westbound near the Flat Shoals Road exit.
After Millicent Williams was reported missing July 27, police found a significant amount of blood and signs of a struggle in her home. Charges of kidnapping, murder and aggravated assault were added later.
Gregory Williams had lived with his grandmother for several years. The DeKalb County Medical Examiner positively identified the body located on August 16 as Williams. Her auto was also gone.
The same day, authorities arrested Gregory Williams in the grandmother's auto at a grocery store. Gregory Williams is accused of killing his grandmother Millicent Williams and disposing of her body, which hasn't been found. Campbell wouldn't say whether police believe the body is that of Millicent Williams.
Williams' grandson, Gregory Anthony Williams, a 36-year-old army veteran with mental illness who had a long criminal record, was taken into custody and charged with theft by taking for being in possession of Mrs. Williams' vehicle.
Search crews used divers, dogs and all-terrain vehicles in their effort to locate Millicent Williams.