The British government also subjected thousands (if not more) people to chemical agents etc. during the cold war. It wouldn't be too far out to think that this kind of thing still continues today.

My source: https://www.independent.co.uk/news/uk/politics/how-the-british-government-subjected-thousands-of-people-to-chemical-and-biological-warfare-trials-10376411.html

And that's a mainstream newspaper...