War crimes and criminals

[95th Rifleman]

The recent arrest of Ratko Mladic and the assassination of Bin laden have got me thinking. War is hell and every side is guilty of war crimes, it would be unavoidable in a war the scale of the twilight conflict. It can be even argued that using WMDs like nuclear weapons is in itself a crime.

Ok, fast forward to post exchange, things are starting to get organised, countries have moved from the "oh shit, oh shit, oh shit" stage and have established industry and legitimacy. Would there be an interest in hunting down war criminals/ If so, who would do it and why? Would it be purely political, for the pursuit of justice or motivated by vengeance?

I'm always looking for new angles to base T2K games and this strikes me as an interesting one, setting up a game where the PCs are hunting a known war criminal.