Sirius, Sirus, and more Sirius (was: Petunia/Headmaster/LVatHogwarts/Mo...)

[pippin_999]

No: HPFGUIDX 158625

> > Pippin:
> > I'm not sure what you mean. Say Dumbledore does not immediately
> > assume that Sirius is the spy. In that case he doesn't know who the
> > spy is, right?

Random832
> Once he establishes (veratiserum or whatever) that Sirius is not the
> spy, the manner in which that _must_ be established will reveal that
> Peter is.
> 

Pippin:
As Dumbledore says in PoA, it cannot be established that Sirius is not
the spy without Peter. The main reason that Dumbledore believed Sirius's
story anyway is that he'd seen Harry's patronus. Without that, anyone
would have thought Sirius was mad.

Pippin