They had to know about PP (WAS Re: Secret Keeper of Grimmaud Place)

[Nate Hennessey]

No: HPFGUIDX 160679

> SSSusan:
> So, for clarification, you're suggesting it might take BOTH the SK's 
> infidelity regarding the secret *and* the change in the condition 
> specified in the secret for it the protection to be broken?
> 
> Siriusly Snapey Susan

Nate:
I suggest that it was the Potter's actual deaths that broke
the fidelius. We have seen in OotP that the secret can be shared
on a piece of paper from the SK without the fidelius being
lifted. I think that Pettigrew shared the secret with Voldemort
in this manner. Voldemort then *knew* the secret, but the
fidelius wasn't lifted until he actually killed the Potters,
who were the secret. With the 'secret' dead, the secret can
no longer be kept, and that is how the fidelius was broken.

Cheers, Nate.