Lebanese pop singer Suzanne was found with throat slit in Dubai airport . Hisham Moustafa , Egyptian tycoon and lawmaker , tells police he did not order killing . Egyptian chief prosecutor and former police officer refused to carry out killing . CAIRO , Egypt ( CNN ) -- Case has strong interest in the Middle East .
Lebanese pop singer Suzanne was found with throat slit in Dubai airport . Hisham Moustafa , Egyptian tycoon and lawmaker , tells police he did not order killing . Egyptian chief prosecutor and former police officer refused to carry out killing . Case has strong interest in the Middle East .