User blog comment:Subject 16*/Assassin's Creed: Revelations - News/@comment-66.232.107.140-20110529111346/@comment-1655340-20110530012045

But wait, if Desmond, for example, can view Altair's memories through their similar, shared DNA because they are related, why can't he view those memories until death? He stopped viewing Altair's memories because Abstergo found what they wanted in AC1, and, as the user above brought out, It wasn't in the Animus that he had this vision.