Oskar Groening
Oskar Groening's trial was one of the Holocaust's last. The former Nazi guard, known as “the bookkeeper of Auschwitz,” denied being an accomplice to mass genocide — despite acknowledging his role in taking money and valuables from the luggage of the murdered and sending it back to SS headquarters in Berlin. The BBC reports that ex-Nazis evaded justice for decades — Groening included — but in late 2016 at the age 95, he was finally convicted of being an accessory to murder.