Did he break any international laws?
That's not the point.
Morality is actions of right and wrong.
Our knowledge of morality comes form our genetics.
Our genetics evolved through natural selection.
If we didn't have "empathy" we wouldn't of lasted very long. Empathy is feeling bad when you do bad things to others.
Stating Empathy is genetic.
So these tyrants and dictators must be "genetically imperfect"? Most share no empathy.
Like it says tyrants and dictators share no empathy.
If you think of lacking empathy is "imperfect"..
But yes studies have shown that criminals have genetics in common that make them less likely to feel sorry for others.
Thereby IMPLYING tyrants and dictators are criminals.
Hitler was a dictator, so was he a criminal? According to this yes. You didn't specify what laws were broken to be a criminal, you just associated it with breaking the law period.