Death by Firing Squad

It is estimated that 340 men have been executed in the U.S. by firing squad since 1600. Many of these were military executions carried out during the Civil War, and there have been 144 civilian shooting executions. Oklahoma carried out 24 executions between 1880 and 1899, and it was used for 23 executions in California … Read more

Nitrogen Hypoxia Execution: History, Protocol & Executions

Nitrogen hypoxia (inert gas asphyxiation) is an execution method that induces death by forcing the condemned prisoner to inhale pure, unoxygenated nitrogen gas through a sealed full-face mask. By completely displacing breathable oxygen from the respiratory tract, the procedure induces rapid arterial deoxygenation and fatal cerebral anoxia. Originally proposed as a humane, painless alternative when … Read more

The Gas Chamber

Between 1924 and 1999, 589 men and seven women were put to death in the gas chambers of various American states. At its peak, 11 states had adopted this method, these being, Arizona, California, Colorado, Maryland, Missouri, Mississippi, New Mexico, North Carolina, Nevada, Oregon and Wyoming.  Eleven men have been gassed in five states since the … Read more