The Brown County Sheriff s Office maintains social order and peace, as well as provides law enforcement services. It offers services for the protection of residents lives and their property, as well as deterrence, detection and investigation of criminal activities. The Brown County Sheriff s Office undertakes various criminal cases and works with agencies at all levels in the exchange of information to the public. The sheriff s office maintains an Emergency Response Unit (ERU) that is responsible for providing emergency response teams equipped with specialized weapons and tactical skills to law enforcement agencies encountering critical incidents. The Brown County Sheriff s Office is located in New Ulm, Minn.