Quote Originally Posted by Everon
Remember, Diethard had Sayoko in the Academy BEFORE Zero even appeared. Since she seems to be a spy for Diethard does that mean she has already told him about Lulu and Nunnaly?And if so does that mean she is willing to betray them and hand them over the Order of the Black Knights?
Curious, where is your proof that Sayako has always been working for him? The only time an arrangement between those two has ever been mentioned was in eps 21. Sayoko not only mentioned to Kallen earlier that Suzaku was hope for all the Elevens.

Diethard said "I will one day introduce you to Zero." That only means that he knows she is in a very useful position and that she wants to formally meet Zero to join the Black Knights and give to him whatever information she can. "a need for the commander of team Zero to escape." Refers to Kallen if I am not mistaken, since she is the leader of Zero's personal squad.

Sayoko is a sleeper agent for the Black Knights, nothing more at this time.