It was just a political marriage, so I really doubt it.
this, because of
Technically, she was a weapons' researcher. The war criminal is the one who actually uses the weapon to commit war crimes. It's the same differece betwen designing a gun and using it to execute POWs, or designing a plane and using it to firebomb civilians.
I don't know if I agree with those analogies, guns and bombers are conventional weapons that can be used for terror campaigns, but a biological weapon is a little different because that's all it's used for
Rio isn't the type who would likely enjoy vidya. Plus the whole atmosphere would have been awkward if they stayed in their room playing shit while knowing they should be getting it on. It would eventually lead to them being intimate and start fucking