"That's one of the actual reasons why Asmodia was augmented to run the Conspiracy once they found out about Law of Probability. Asmodia is good specifically at perspective-taking-on-ignorance and consistency-checking."
"Sustaining a Major Image for an extended period - I mean, it was mentally taxing, but that spell has a long range, so I don't see how I prevent somebody from staying out of range of any detection means I have, and just modifying what the scry shows. I'd be trying to find an inconsistency in whatever they were showing me, and while I do know some things they wouldn't, I'm still very ignorant of Golarion..."
And he can't think in advance of what those inconsistencies might be, because he's up against mindreaders.
Still, the more time they have to prepare, the worse.
He can't visit Ostenso today: 3:1 for Conspiracy... no, they claimed he'd be able to visit it tomorrow. That's more like 2:1, or even 1.5:1, depending on how vast and complicated the place actually looks tomorrow...
Of course that's assuming the real plan isn't for them to prep spells tomorrow for bringing out the serious power supplies on mind control, which is expensive enough that they didn't want to do it before now when they could always do it later and only if required.
He should keep an eye out for other signs that they want to delay him only until tomorrow morning.
"Is it possible for me to decide a target at the last minute, and then somebody Teleports there and the Greater Scry spell finishes focusing on them once they're there?"