I have always said this is the way death sentences should be carry out. No more drugs, complications (some legal, some medical), and nitrogen is cheap compared to big pharma. Inmate just goes to sleep and stays that way.
*** How come they don’t use this anymore? ***
Shortly after 10 a.m. on May 2, 1960, Chessman was strapped into the gas chamber seat and cyanide pellets were dropped into a bucket of sulfuric acid. Chessman, 38, gasped seven or eight times, lost consciousness and was pronounced dead.