Of course he was briefed - he undoubtedly ordered it.
He’s surrounded himself with cringing, amoral and generally stupid sycophants who, even if they had the brains and initiative to implement something of their own volition, wouldn’t dare do it anyway for fear that it might invite daddy’s wrath. So broadly, if it happened it’s because he told them to do it.
Now that said, there are at least two provisos:
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He likely didn’t know any specifics, because he can’t be bothered to pay attention to things like that, and his initial order consisted of something like “I want you to go over there and stick it to that son of a bitch Bolton!” and that was the extent of his interest in it.
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It’s possible that he was briefed and either didn’t realize it because he wasn’t paying attention or immediately forgot about it because he’s increasingly senile.
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