And what's the use in teaching him to act like you if you expect the lair to blow up? Why do you expect the lair to blow up? Why don't they intend to arrest you? Why is the chief of police coming in person? Who are they shooting at if they intend to just blow up the place anyway?

Anyway, here's a few things people seem to ignore.

Graendal didn't flee when someone warped in - she waited until someone came to her door, met her, got Compelled and sent back out. And then, people suggest, she fled. Why? Fleeing from Rand as soon as she felt him Travel to her location would be quite credible, this is what she said she would do multiple times. Fleeing after the visit is downright absurd. What if Rand hadn't sent Ramshalan first? Again, this plan that people like to hypothesise makes no sense - it requires her to leave herself open to far simpler attacks in order to counter the one, single, unexpected attack for no reason beyond fulfilling the desires of people who start off with the conclusion that she could have escaped.

Now, someone might say she had already fled when Ramshalan arrived and the pawn channeler did everything of her own accord. Of course, this makes little sense either. Barring that we have seen little from Graendal that indicates she would be willing to teach her talents to some insignificant sacrificial pawn, barring that we have no indication that such a sacrificial pawn even exists, barring that we have no reason to believe Aran'gar and Delana were ever at Graendal's place, and barring that even if they did, Graendal would still need to have someone else already in place to execute that plan before they came anyway - because if this was such a well-planned counter, then surely she had it prepared the moment Rand hinted at coming to Arad Doman, not when Aran'gar arrived - barring all that, it still doesn't make sense because said sacrificial pawn wouldn't know what orders to Compel into the target if Graendal wasn't there to tell her. And Graendal wouldn't know what orders to give unless she saw the visitor. Which brings us back to the previous point, Graendal had to be there when Ramshalan arrived, therefore, her fleeing makes no sense, because she would have fled after the expected threat came.

In order to avoid this, the sacrificial channeling pawn would have to not only be entrusted by Graendal with her Compulsion knowledge, but also imparted a significant array of her plans and schemes, so that the pawn could Compel according to her own judgment based on who the intruder was and what Graendal's plans entailed. It would also required Graendal to trust the sacrificial pawn to have correct judgment regarding her actions vis à vis the intruder. Anyone who actually thinks this sounds like something a Forsaken would do understand less than nothing about the Forsaken.