An FD-302 (FD as in Federal Document) form is used by FBI agents to "report or summarize the interviews that they conduct" and contains information from the notes taken during the interview by the non-primary agent. It consists of information taken from the subject, rather than details about the subject themselves.
The episode title "The Wilderness" may be derived from the expression "Voice in the Wilderness" as in someone who expresses an idea or opinion that is not popular or that the individual is the sole person expressing that particular opinion with the suggestion that the opinion is then ignored. The phrase with respect to the voice most likely refers to a passage in the bible.
When Monica is at her book signing, a print of Maxfield Parrish's Daybreak can be seen behind her.