User blog comment:TranquilTempest/Spoiler! Or not?/@comment-1902784-20111022103453/@comment-1902784-20111023021154

In Desmond's e-mail from the DLC you also hear that W.M. is using Rebecca to report to him and he doesn't want him mentioning certain things to Lucy and Shaun for security reasons. This could just be for precautionary reasons but it's possible they have a legitimate reason to be cautious.