Are we all capable of evil? A new database listing millions of Nazi members gives a troubling reminder that even normal people can take part in terrible crimes.
Search engine reveals Nazi grandmas
Day-to-day: Thousands of ordinary German men and women attended Nazi rallies, like this one in Nuremberg. Glossary
Nazi Party - The radical far-right movement and political party in Germany led by Adolf Hitler in the 1930s.
Fascism - A political ideology that rose to power in 20th-Century Europe. It stressed militarism and order over personal freedom, and often divided society according to racial hierarchies.
Holocaust - The murder of six million Jewish people in Europe by Nazi Germany. Members of other minority groups were also killed.
Banality - Something that is boring or unexciting.