Dumbledore and Malfoy conversation. Is that a clue?

[lillys_lianas_mom]

No: HPFGUIDX 134170

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???

Rachel