In this subtitle the following words have the meanings indicated. “Correctional officer” has the meaning stated in § 8–201 of this article. “Correctional officer” does not include an officer who is in probationary status on initial entry into the Sheriff’s Office except if an allegation of brutality in the execution of the officer’s duties is made against the officer. “Hearing” means a proceeding during an investigation conducted by a hearing board to take testimony or receive other evidence. “Hearing” does not include an interrogation at which no testimony is taken under oath. “Hearing board” means a board that is authorized by the managing official to hold a hearing on a complaint against a correctional officer.