![The Marshall Project | M Palmer/Zuma Press Wire](https://ifp.nyu.edu/wp-content/uploads/2024/01/1-113-1024x636.jpg)
The Marshall Project | M Palmer/Zuma Press Wire
What the first execution by nitrogen in the U.S. says about capital punishment. Above: The William C. Holman Correctional Facility in Atmore, Ala., where the state executed Kenneth Smith with nitrogen gas.