User blog comment:Master Sima Yi/Assassinews 04-06-'12 — E3 hub/@comment-188.222.224.194-20120607135100/@comment-4043223-20120607140500

They do use the wiki, members like Master Sima Yi and Subject 16 have spoken to them and the AC3 team confirmed this during a video interview with GameInformer. They even used the factual corrections that Master Sima noticed to adjust the second edition of the the Encyclopedia.