[HPforGrownups] JKR's website

[JanisE]

No: HPFGUIDX 128923

-----Original Message-----
From: Nora

In other words, just like every other kind of magic within the books,
Veritaserum is not infallible. As some wizards can prevent themselves
being affected, and others cannot, it is an unfair and unreliable tool
to use at a trial.
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Jaanis:
So, cannot elfs with their powerful magic resist the Veritaserum?...