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Who told the Germans where Anne Frank and her family were hiding during World War II? After years of detective work, researchers think they can finally answer that question. A team of 40 researchers spent about six years trying to figure it all out. Using new computer programs, they examined a great many old documents. Questions, tips or ideas? Send us an email at [email protected] Subscribe to our channel: / jeugdjournaal More NOS Jeugdjournaal? You can also find us on: Instagram: / nosjeugdjournaal Site: http://www.jeugdjournaal.nl/ App: http://www.jeugdjournaal.nl/app