Note that, having taken almost a year to get around to searching the building, they can now plausibly spin the investigation out for many more months without providing us an answer, and still pull a rabbit out of a hat should it be deemed necessary to do so down the road. This is a play in three acts, remember...
Anyone know who first opened the letter/package? Was it the copy/mail room guy(s), who wanted laughs and then spread the J.Lo (or other) letter to friends?