Hypodermic needles space sterilised during manufacture and supplied in sealed packs. It would certainly be much more expensive come specifically source unsterilised needles, simply for usage by executioners. However, prison doctors perform still swab the condemned male arm v alcohol, before inserting the needle. This is probably just out of habit and also to prevent possible claims the the execution method is somehow less humane than it demands to be.
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luis trained as a zoologist, however now functions as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope the he will certainly be spared once the change inevitably comes.
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