d. A local, state, or federal law-enforcement or prosecutorial official engaged in the administration, investigation, or enforcement of the laws governing controlled substances and who is involved in a bona fide specific drug-related investigation in which a report of suspected criminal activity involving controlled substances by an identified suspect has been made, and provided that such information be relevant and material to such investigation, limited in scope to the extent reasonably practicable in light of the purpose for which the information is sought, and include identifying information only upon a showing of need; see full law