IN THE CITY WE SEE MRS. P AT THE WINDOW. WE KNOW BECAUSE OF THE MRS. P QUEST THAT SHE IS INFECTED BUT ALIVE. IN THE BUILD MODE NPC PART OF THE QUEST WE HEAD UP TO THE WINDOW MRS. P IS AT AND BLOW IT UP RIGHT THERE WHERE SHE IS, AND JUDGING BY THE FACT WE DON'T SEE HER IN THERE WE MOST LIKELY KILLED HER.