The GBI has determined that an 18-year-old inmate died in the Dawson County jail last month due to “combined drug intoxication.”

The Dawson County Sheriff’s Office asked the GBI to perform the autopsy of Jonathan Sanford after he died June 2, AJC.com previously reported. Sanford was found unresponsive in his cell following his arrest on a DUI charge.

GBI spokeswoman Nelly Miles provided a statement from the agency Friday about the autopsy’s findings.

“A GBI Medical Examiner has ruled Jonathan Sanford’s death accidental due to a combined drug intoxication,” the statement said.

The investigation into Sanford’s death is ongoing, Miles added.

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Savannah Chrisley, daughter of former reality TV stars Todd and Julie Chrisley, speaks outside the Federal Prison Camp on May 28, 2025, in Pensacola, Fla. President Donald Trump pardoned Todd and Julie Chrisley, who were found guilty of defrauding banks out of $36 million and hiding millions in earnings to avoid paying taxes. (Dan Anderson/AP)

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