I agree with Vampy. Why else would he have made a 'nuclear bunker'? Austria wasn't a major player in the nuclear arms race at the time the cellar was constructed.
This guy deliberately planned this out, he knew it was wrong. He's a psychopath, but not insane. He needs to be locked up for life, in a dark, moldy cell and denied even the most basic medical care.
Oh, you will. It is all a dream and since matter cannot be created nor destroyed, the dreams must be real in all their myriad forms. -Beowulf
This Delicate Thing God Has Made
The world is measured in peasants; smaller than a unicorn but, bigger than a tidbit!