(a) The board may employ managers, secretaries, stenographers, bookkeepers, accountants, technical experts, and any other support personnel or agents the board considers necessary.
(b) The board shall determine the qualifications and set the duties of employees.

(c) The board may call on the county attorney, district attorney, or criminal district attorney for the legal services it requires. In addition, or in the alternative, the board may contract for and compensate its own legal staff.