Throughout the nineteenth century, along with the technological advancement applied to the wars that led to increased mortality among combatants and damage to civilian populations during conflicts, movements for humanitarian awareness in Western societies resulted in the founding of the first humanitarian organizations such as the Red Cross in 1859 and the first international typifications of abuses and crimes or laws of war known as Geneva Conventions from 1864. After the Second World War, in 1946 the Nuremberg trials brought to the public attention the breadth of the Nacht und Nebel decree, one of the most prominent antecedents of the crime, by 20 of which the Nazi regime of Adolf Hitler stopped and condemned death to persons in the occupied territories of Europe considered a threat to the security of the Third Reich. However, the executions were not carried out immediately, once the people were deported to Germany and imprisoned at locations such as Natzweiler-Struthof concentration camp, where they ended up disappearing, and no information about their whereabouts and fate was notified as per point III of decree:III. ... In case German or foreign authorities inquire about such prisoners, they are to be told that they were arrested, but that the proceedings do not allow any further information.