Nitrogen hypoxia is a relatively new and controversial execution method that functions as an alternative to lethal injection by causing asphyxiation when an individual inhales pure nitrogen instead of breathable air, typically administered through a gas mask.
October 09, 2025
high
procedural
Describes the mechanism and contested nature of an execution method used as an alternative to lethal injection.
Alabama has historically had the highest rate of death sentences per capita among U.S. states and has had one of the highest execution rates in the United States.
October 09, 2025
high
statistical
Summarizes Alabama's long-term position among U.S. states in imposing death sentences and carrying out executions.