The tale of Anne Frank ’s years spend hide out with her fellowship in the mystical annex above her father ’s storage warehouse is known around the universe . Yet despite yr of research by Otto Frank ( Anne ’s founding father and the only penis of her family to survive the Holocaust ) and scholars , we still do n’t know precisely what circumstance led to Anne and her family ’s breakthrough . A newfangled investigation is reopen the dusty case in the Leslie Townes Hope of finally find out the truth , The Guardianreports .

The long - accepted theory of the Franks ’ discovery and subsequent catch is that ananonymous tipto the Sicherheitsdienst , the Nazi intelligence agency , afford their hiding shoes away . The 30 likely suspect distinguish over the eld have admit a warehouse worker , a housekeeper , and a military personnel possibly blackmailing Otto Frank . In December 2016 , researchers at the Anne Frank House drift anew possibility : The discovery was incidental , the result of a police raid looking for proof of ration fraud at Otto Frank ’s factory , in which police force just happen to unveil two Judaic families dwell in arcanum . However , none of these theory has been show definitively .

Now , a team of investigator led by a former FBI agentive role is taking on the frigid casing , review the archive of the Anne Frank House in Amsterdam , canvas newly declassified cloth in the U.S. National Archives , and using data depth psychology to find a conclusive answer to the ten - old closed book .

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“ This investigation is unlike from all previous attempts to chance the Sojourner Truth , ” concord to theCold Case Diarywebsite . “ It will be conducted using modern law of nature enforcement fact-finding techniques . The research team is multidisciplinary , using methods of cold lawsuit detectives , historians , but also psychologists , profilers , datum analysts , forensic scientist and criminologist . ” Thijs Bayens and Pieter Van Twisk , a Dutch filmmaker and journalist , severally , come up with the idea for the task , and recruited the lead investigator , retired FBI federal agent Vince Pankoke . Pankoke has previously mould on case involving Colombian drug cartels .

The new Anne Frank case will focalize on fact-finding technique that have only become available in the last decade , like magnanimous datum analysis . Already , the investigators have uncovered new info , such as a German inclination of informant and the names of Jews that had been arrested and betrayed in Amsterdam during the war , found in the U.S. National Archives .

The investigator hope to provide answer in metre for the 75th day of remembrance of the Frank family ’s arrest in August 2019 .

[ h / tThe Guardian ]