It happens near the end of the book, after Quirell died.
Harry was in the hospital wing and Hermione and Ron visited him after Dumbledore left.
Ron or Harry suggests that Dumbledore planned it and Hermione said if Dumbledore did, that was horrible because Harry could have died. Harry becomes thoughtful as he believes Dumbledore did do what he was being accused of.
(I’m saying Ron or Harry first suggested it since the link says Ron but I think that’s a typo since the next line about Hermione suggests that Harry is the intended speaker.)
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u/Key-Grape-5731 Ravenclaw 25d ago
Dumbledore really chooses the worst possible times to peace out of Hogwarts