The South Carolina House voted Wednesday in favor of a measure that added firing squads as an alternative execution method for the state’s death-row inmates, amid a lack of lethal injection drugs. The bill, approved by a 66-43 vote, will require condemned inmates to choose either being shot or electrocuted if lethal injection drugs aren’t available. The state is one of only nine to still use the electric chair and will become only the fourth to allow a firing squad. The measure, which would allow the state to restart executions after nearly a decade, states that the firing squad method may be used only if the state can’t execute condemned inmates by way of lethal injection. Currently, South Carolina isn’t able to place inmates on death row as its supply of lethal injection drugs has expired, and it hasn’t been able to purchase more due to a shortage nationwide. The …