Arizona Prepares to Use Auschwitz Gas Zyklon B on Death Row Inmates On 6/1/21 at 6:52 AM EDT According to documents obtained by the U.K. newspaper The Guardian, Arizona's Department of Corrections has spent more than $2,000 on ingredients to make hydrogen cyanide, the same gas used at the notorious Auschwitz-Birkenau death camp. The heavily redacted documents, which the newspaper has made available online, show that Arizona spent $1,530 in December, 2020 on a solid brick of potassium cyanide. The state also bought sodium hydroxide pellets and sulfuric acid necessary to generate the gas. Support for 'Expel' Greene Petition Doubles In a Week to 200,000