Lethal injection is not the only method of execution in America

Lethal injection is not the only method of execution in America. According to the Washington Post, eight states also allow electrocution (Alabama, Arkansas, Florida, Kentucky, Oklahoma, South Carolina, Tennessee and Virginia). Three states allow the gas chamber (Arizona, Missouri, Wyoming) and three other states allow hanging (Delaware, New Hampshire and Washington). Two states allow the firing squad (Oklahoma and Utah), though only technically; Oklahoma allows the use of a firing squad but only if other methods are found to be unconstitutional.  Utah banned firing squads in 2004 but said it would make an exception for death-row inmates who picked the method before it was outlawed.
Some states have similar rules to Oklahoma, allowing for certain methods if lethal injection is unavailable or found unconstitutional; others had acted like Utah, discontinuing a method but allowing inmates sentenced or found to have committed their crime before the method was dropped to select it.
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