Kenneth Smith, 58, is facing execution by an untested method that has never before been used in capital punishment in the US. It’s a technique that has been rejected on ethical grounds by veterinarians for the euthanasia of most animals other than pigs: death by nitrogen gas.
But they aren’t buying it for executions or officially…
If some prison just takes out a liter of diamorphine from “unknown” source there will be questions… And not just from inside the USA…
LE destroys large quantities of seized drugs regularly.