Alternative ---> world prison population just saying.
Ok, I'll bite.
At which point do you determine a human being is no longer a human being and can start testing? I mean, there are obviously some crimes I'm sure some people feel would easily justify putting a prisoner in this type of a position (Murderer comes to mind). But who sets the line? Where does the line go? There are plenty of psychological reasons some criminals do the things they do and can be rehabilitated to a certain degree (aka. Even something as simple as getting them to understand what they did was wrong), do they still have to endure these tests?
It isn't as clear cut as it sounds. Don't get me wrong, I'm not saying I agree or disagree. Just that it isn't so black and white.