Since the death penalty wasintroduced to the US in 1608 , various methods have evolve in an attempt to   enact the sentence in the most " humanist " way possible . Hanging , elicit squads , and the electric chair all made appearances throughout history ,   but deadly injection quickly became the only stay on method in most state with capital punishment .

However , as pharmaceutic companies became   reluctant to sell lethal doses of drug for the death penalisation and anesthetic supplying dwindled , some states have turned to more Graeco-Roman forms of punishment . On May 14 this year , governors in   South Carolina turn to any agency necessary to carry out the deadly blow , signing a billthat enabled prosecuting officer to practice ignition team and burning to kill the culprit where the deadly injection is not possible .

One state of matter , though , is accept a different approaching .

fit in topublic documentsobtained by an probe byThe Guardian , the country of Arizona may be preparing to bring back H cyanide within gaseous state chambers as a form of great punishment . Hydrogen nitrile , sold by the steel name Zyklon B , was used extensively by the Nazi   company during the Holocaust   and was utilized in gas chambers as deadly penalization during the 1900s ,   but   has not been used by   Arizona   statesince 1999 .

Despite its ’ want of purpose , the new documents show a $ 2,000 defrayment by the Arizona department of corrections to purchase ingredient to make cyanide gas , as well as drive to refurbish their   honest-to-god gas chambers at ASPC - Florence . During August , a number of tests were conducted to assess their operability , and it is thought the land may begin to reintroduce the method if trial are successful .   As the Guardian points out , the tests impart to ensure the bedchamber was airtight included some   pretty   archaic methods , such as   holding a candle to possible leaking areas to see if the flaming flickered .

The papers put forward that the gas sleeping accommodation operate on by combining potassium cyanide and sulfuric window pane , creating hydrogen cyanide that is then contained within the chamber . It is by no means a peaceful way to die , with the last case of gas chamber capital punishment in Arizona taking18 minutesfor Walter LaGrand to die .

The Book of Revelation comes after attitudes have shifted away from deadly injectant , which   caused an call in 2014 when inmateJoseph Woodsuffered an agonizing death at the hand of executioners . After using a raw cocktail of   lethal drugs , Wood required 15 times the recommend amount before succumbing to the shot , and the whole trial by ordeal lasted almost 2 hr . Since then , Arizona has looked for   alternative methods , but resist to stray by from capital punishment .

There are currently115 inmateson Death Row in Arizona , awaiting their sentence . Drug shortages have result in a backlog of executions , which the state   is   eager to restart . There has been no prescribed statement on the potential consumption of gas chamber yet , so   it is unknown whether the examination was hypothetical , or whether the state intends to go forward with the plan .

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