Are firing squads really more 'humane' than lethal injection?

Contributing sentiments towards policy:

49% : They found that the overwhelming majority of their bodies showed signs that the prisoner likely endured what one medical expert described as a "cir­cus of suf­fer­ing" before dying. More than 20 pharmaceutical companies have also refused to have their products used in executions, which has left states struggling to find the drugs they need to perform lethal injections.
41% : In 2020, news outlet NPR looked at the autopsies of more than 200 people who had died by lethal injection.
40% : But Brad Sigmon, who had been convicted of killing his ex-girlfriend's parents in 2001, chose to be shot to death because he believed it would involve less suffering than the two other options the state had given him: electrocution and lethal injection.
40% : But confidence in lethal injection has faded in recent years amid a series of botched executions and the emergence of evidence that it may not be as painless as it was once believed to be.
40% : The first law legalizing lethal injection was introduced by an Oklahoma lawmaker who opposed the death penalty entirely, but felt the state should at least find an alternative to what he called the "dirty deed" of electrocuting a person to death.
38% : There's also new evidence that lethal injection may not provide a peaceful death even when everything appears to go right.

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