A South Carolina judge ruled Tuesday that the state's newly created execution firing squad, as well as its use of the electric chair, are unconstitutional, siding with four death row inmates in a decision sure to be swiftly appealed as the state struggles to implement its new execution protocols.

"In 2021, South Carolina turned back the clock and became the only state in the country in which a person may be forced into the electric chair if he refuses to elect how he will die," Judge Jocelyn Newman wrote in a case brought by the inmates against the state. "In doing so, the General Assembly ignored advances in scientific research and evolving standards of humanity and decency."