Va. Code Ann. § 46.2-220

If any law-enforcement officer appointed by the Commissioner is arrested, indicted, or prosecuted on any charge arising out of any act committed in the discharge of his official duties, the Commissioner may employ special counsel approved by the Attorney General to defend him. The compensation for special counsel employed pursuant to this section shall, subject to approval of the Attorney General, be paid out of the funds appropriated for the administration of the Department.