<P> Miami - Dade County (formerly Dade County) has two directors appointed by its county commission . In Miami - Dade County, the duties of the two appointed directors are split as follows: </P> <Ul> <Li> One director is simultaneously the metropolitan director and the director of public safety . As the director of public safety he / she serves as the chief of the Miami - Dade Police Department (separate from the City of Miami Police Department). </Li> <Li> The other director serves in command of corrections (of the Miami - Dade Department of Corrections) and is charged with the care and custody of prisoners . </Li> </Ul> <Li> One director is simultaneously the metropolitan director and the director of public safety . As the director of public safety he / she serves as the chief of the Miami - Dade Police Department (separate from the City of Miami Police Department). </Li> <Li> The other director serves in command of corrections (of the Miami - Dade Department of Corrections) and is charged with the care and custody of prisoners . </Li>

Who has the power to arrest the sheriff