The Alabama Department of Corrections was constructing a new 4,000-bed mega-prison as part of its prison infrastructure expansion.
October 22, 2025
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temporal
Large-scale prison construction project by the state corrections agency.
Nitrogen gas execution methods involve placing a gas mask to replace breathable air with pure nitrogen, causing death by lack of oxygen (hypoxia).
October 08, 2025
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procedural
General description of how nitrogen-based executions are carried out.
By 2024, the state of Alabama had begun using nitrogen gas to carry out some executions.
January 01, 2024
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temporal
State-level adoption of nitrogen gas as an execution method.