https://www.nytimes.com/2021/06/02/us/arizona-zyklon-b-gas-chamber.html
Oy vey!!! It could have been worse!!
It could've been the roller coasters of death! The anus gas pumps! Or the peddle-driven brain bashing machine! 
GUARD: We've used 20 canisters of this ZYKLON B crap and all that's dead is a bunch of lice and gnats! The inmate is fine!!!! 