Dumbledore and Malfoy conversation. Is that a clue?

[carodave92]

No: HPFGUIDX 134198

Rachel:
> page 591-592
> "He cannot kill you if you are already dead. Come over to the right 
> side, Draco, and we can hide you more completely then you can
> possibly imagine." 
> Evidently they have done this before. I believe that someone we think 
> to be dead is going to immerge to help harry. Perhaps Regulas???


If Regulus was still alive, I feel sure that Kreacher would know, and 
consider him (Regulus) to be his true master.  It is an interesting 
idea though - to think that a character we already know (potentially) 
would emerge as Regulus.

Carodave