Using Cyanide Gas in Executions is an Affront to Jewish Values | News & Commentary | American Civil Liberties Union
Don't want a botched execution? Arizona says bring your own lethal injection drugs | CBC Radio
Pfizer Blocks the Use of Its Drugs in Executions - The New York Times
Jewish groups condemn Arizona's potential use of gas executions
U.S. company to stop making drug used in executions | Reuters
Gov. Fallin signs death penalty measure, execution critics decry her decision | News | city-sentinel.com
Where Death Dies: The Curious Afterlife of Execution Chambers | Time
Arizona Plans to Restart Executions With Poisonous Gas Used by Nazis | Teen Vogue
How a shortage of lethal injection drugs put the death penalty before the Supreme Court - Vox
Oklahoma may be first state to use nitrogen in executions amid lethal injection controversy - CBS News
Firing Squad to Gas Chamber: How Long Do Executions Take?
Oklahoma death penalty: state plans to execute inmates with nitrogen gas | Oklahoma | The Guardian
The Overwhelming Evidence Against the Death Penalty | The New Republic
History of Capital Punishment in North Carolina | NC DPS
Methods of execution by state: Electric chair, firing squad, hanging
Fact check: Arizona gas chamber hasn't been used to execute since 1999
Most states have the death penalty. Few actually carry out executions. - The Washington Post
Arizona 'refurbishes' its gas chamber to prepare for executions, documents reveal | Arizona | The Guardian
Arizona's horrifying plan to bring back the gas chamber with Zyklon B.
Americans Back Death Penalty by Gas or Electrocution If No Needle: Poll
The Trouble with Oklahoma's New Execution Technique - POLITICO Magazine
Gas chamber - Wikipedia
Missouri Death Row Legal Battle Could Bring Back Gas Chamber - ABC News
Death Penalty Fast Facts | CNN
Arizona execution methods: a short, gruesome history
