User blog comment:Master Sima Yi/Assassinews 08-02-'13 — Next game will be all new, plus DLC promotional material/@comment-94.192.62.206-20130210170304/@comment-1888015-20130211173651

"and the first offical documented reports of the Ninja's which were assassin's"

Ninjas were assassins, yes.

They weren't Assassins though.