a particularized inquiry, evaluating whether the privilege applies with respect to each specific area that the questioning party wishes to explore. Melchor Moreno. 536 F.2d at 1049. The witness may be totally excused from testifying only if the court finds that he could legitimately refuse to answer essential

”, and “only as to genuinely threatening questions should [the witness’s] silence be sustained.” Goodwin, 625 F.2d at 701 (quoting United States v. Melchor Moreno, 536 F.2d 1042, 1049 (5th Cir. 1976)). Defendant further asserts that Plaintiff’s interrogatories requesting that he identify employees may lea