[Earth]

Yeah but by the time we achieve cryosomething we probably would have had already broken a few. How would you know the cryo thing is safe without a human going through it? Wouldn't that be considered as experimentation?

Also knowing the government they'd probably use a guy hated so much that everyone would want to see him cryo'ed.

If they were to experiment with a human they would most likely use an animal first. And I can probably guarantee you some of those "missing" people were used for some government experiments.

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Experimenting on prisoners? I believe that would violate one or two human rights. just one or two...

Human rights get violated all of the time.