COLUMBIA, S.C. (WIS) - The longest-serving inmate on South Carolina’s death row died in prison this week.

The South Carolina Department of Corrections said 81-year-old Fred Singleton died of natural causes at Kirkland Correctional Institution’s infirmary on Monday.

Singleton was convicted of the rape and murder of a 73-year-old Newberry County woman in 1983.

No further details regarding his death were immediately available.

This is a developing story. Stay tuned to WIS for the latest details.

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