Two years of DNA testing and CAT scans on 16 royal mummies conducted by Egypt's Supreme Council of Antiquities gave the firmest evidence to date that an unidentified mummy - known as KV55, after the number of the tomb where it was found in 1907 in Egypt's Valley of the Kings - is Akhenaten's.
http://apnews.excite.com/article/20100311/D9ECLFKO0.html