An investigating team is convinced that Anne’s father, Otto Frank, knew who the traitor was, but chose not to reveal his name
One of the remaining mysteries from the Second World War may have been solved after an international team of investigators revealed the name of the person who “very likely” betrayed young Jewish diarist Anne Frank.
The research group, which included historians, criminologists, psychologists, a handwriting expert and even a retired FBI special agent, conducted a scrupulous six-year-long analysis of events leading to the discovery of the concealed annex above an Amsterdam canalside warehouse, where Anne’s family hid for two years until August 4, 1944.
The researchers concluded the “most likely” scenario is that the Frank family were betrayed by Jewish notary Arnold van den Bergh. Lead investigator Pieter van Twisk is convinced that Anne’s father, Otto, who survived the Holocaust and later published his daughter’s diaries, knew the man was responsible but chose not to reveal the truth.
According to the Dutch newspaper NRC, which interviewed van Twisk, the research is the first of its kind and was conceived as a proper modern police investigation. It was funded partially by crowdfunding and by grants from the city of Amsterdam, private investors, and publishers.
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The team initially had about 30 versions of how events may have unfolded, but the massive list of names and lines of inquiry slowly shortened.
“Frank was very preoccupied with the anti-Semitism that resurfaced after the war. He was probably afraid that this would be used to say: look, those Jews did it all themselves,” van Twisk explained.