Columbia, SC (Associated Press) - South Carolina has scheduled its first execution in more than six years. But it's unknown if the state has the drugs needed to carry out lethal injection.

The Department of Corrections last week received its first execution order in more than six years. Supreme Court justices set a December 1 execution date for Bobby Wayne Stone, a 52-year-old man on death row for killing a Sumter County sheriff's deputy.

South Carolina primarily uses lethal injection and hasn't carried out an execution since 2011.

But the state's supply of one of the three drugs it uses expired in 2013, and officials haven't been able to get more, with companies unwilling to sell drugs used for executions.

State officials didn't immediately comment on their plans for carrying out Stone's execution.

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