How does DD know what Petunia/Vernon said?

[Rebecca]

No: HPFGUIDX 156737

Brothergib wrote:
> So how is it that DD knows what Vernon/Petunia have just said and
> then managed to produce an instantaneous Howler to prevent it. We
> have DD's comment that he has watched Harry more closely than he
> knows, but we know that DD is at the ministry, so I don't think
> the 'DD in animagus form' theory would work here.
>
> Fawkes? Patronus? Something else?


Perhaps a hidden wizard painting that can hear what's going on in
the house????

Rebecca