- A Jewish man has been identified as the possible betrayer of the family of Jewish diarist Anne Frank - A team, including an ex-FBI agent, has been working on the 'cold case for the past six years More than seven decades after she died in a concentration camp, an investigation has identified a man who may have been responsible for giving up the whereabouts of Jewish diarist Anne Frank and her family. For the last six years a team, including a former FBI agent, have used computer algorithms to search for possibilities of who the Frank family would have...