Mots-clés: 1900-2099 - Atrocities - Nazi hunters - Crimes against humanity - Trials - Criminal investigation - History 20th century - German war criminals - Nazi war criminals - Germany - International criminal law - Criminal investigations - History 21st century - Fugitives from justice - World War (1939-1945) - Concentration camps - Justice - Administration of Justice - Klarsfeld, Beate, (1939-) - Klarsfeld, Serge, (1935-) - Nuremberg Trials (1945-1946) - Wiesenthal, Simon (1908-2005) - fight against national socialism