The District Attorney s office represents the state of Texas in various criminal cases in county and district courts. The office is governed by Montgomery County in Texas, which administers a sheriff s office that works for the protection of residents lives and properties. The Montgomery County s government operates engineering, health, purchasing, parks, human resources, and risk, and emergency management departments. The county s government maintains The Lone Star Convention & Expo Center, which hosts a range of formal and informal events. In addition, its government operates the Office of Indigent Defense, which oversees the administrative operations of district and county courts.