Mm, about a few days before the meeting? Some people spoke to him earlier.

[Sinclair shakes his head] Hien was one of them...but you should speak to him about that.

[Of course, if Hien's memories of that were gone too, he'll tell Hector.]

But I think, Cubia has a grudge against certain people. Sometimes it's silly, like a ten year old's anger...and then other times, it's a little terrifying.