Any member of the board, any agent, employee, consultant, or attorney of the board, any person making any report or rendering any opinion or supplying any evidence or information or offering any testimony to the board in connection with any investigation or hearing conducted by the board as authorized in this article, shall be immune from any lawsuit or legal proceeding for any conduct in the course of his or her official duties with respect to such investigations or hearings.
Ala. Code § 20-2-68 (1975)