, '' the office said in a statement . But German authorities said they already had hints that Heim was living and working in Egypt . The office said it received information in 1965 and 1967 indicating Heim was working in the country , but Egyptian authorities at the time , acting on a German request , did not find any conclusive evidence . `` Our main goal now is , in cooperation with the Egyptian authorities , -LRB- to -RRB- identify the remains of Aribert Heim , '' the office said . The chief Nazi hunter at the Simon Wiesenthal Center , Efraim Zuroff , said the news about Heim 's death , if true , is deeply disappointing . `` I personally feel a tremendous sense of disappointment that he escaped justice , '' Zuroff told CNN . But he emphasized that he had not seen the evidence that Heim was dead . `` There is no body and no grave , so we ca n't do a DNA test , '' he said , adding that `` there are people who have a vested interest in convincing us that he is no longer alive . '' He
BERLIN , Germany -LRB- CNN -RRB- -- German investigators Thursday acknowledged `` credible information '' indicating that one of the world 's most wanted Nazi war criminals died almost 20 years ago in Egypt . The former the hotel in Cairo where Heim spent his final days . The announcement from the Baden-Wuerttemberg State Criminal Investigations Office came a day after German public broadcaster ZDF reported similar findings about Aribert Heim , wanted since 1962 . ZDF said research it conducted with the New York Times showed that Heim died in Cairo in 1992 of intestinal cancer . Witness accounts and documents , including a passport , prove that Heim lived under the false name of Tarek Farid Hussein , ZDF said . CNN spoke to Heim 's son , Ruediger Heim , who said his father fled Germany to Egypt via France , Spain and Morocco . Ruediger Heim told CNN he visited his father in Cairo several times , including in the final weeks of his life when the terminal cancer was discovered . The German investigators said they were was checking the new information . `` This information has not yet been verified due to time constraints