Nevertheless, Shawcross drew much from Lauterpacht. There was no question of retroactivity, because all the acts involved—extermination, enslavement, persecution—were crimes under most national laws. The fact that they were lawful under German law offered no defense because the acts affected the international community. They were “crimes against the law of nations,” not mere matters of domestic concern. In the past, international law had allowed each state to decide how it would treat its nationals, but that was now replaced by a new approach: International law has in the past made some claim
...more