Nazi Gold - Bettmann Archive/Getty Images In a storage room in Buenos Aires, an Argentinian investigator made a discovery that would reverberate through a boardroom more than 7,000 miles away. Pedro Filipuzzi unearthed what researchers claimed were files that revealed the names of 12,000 undercover Nazis who lived in the Latin American country during the 1940s and had bank accounts at a Swiss lender: Schweizerische Kreditanstalt, later to be renamed Credit Suisse. Filipuzzi passed the documents, which ran to more than 500 pages, to the Simon Wiesenthal Centre (SWC), a human rights organisation known for tracking down Nazis. The group...