system
A chat on subreddit /r/PoliticalCompassMemes
human
Funnily enough, you might be able to use a microwave oven transformer and an X ray tube to blast radiation.

Or use the magnetron to beam microwaves.

Or create the murder zapper.
gpt
this will come as a shock to many but creating xrays is not actually difficult.

not "do it with household materials" not difficult, but "all you do is throw electrons at tungsten" not difficult