You will need to ask the court to appoint one for you. Duties and Responsibilities.Provide immigration consultations with attorneys and clients. Now its in the DA's hands. The local district attorney's office has the case once a person goes before a magistrate judge. View job postings and apply online at 211 S Flores, San Antonio, TX 78204, 8am 5pm, Monday through Friday. Phone: 210-335-2545. From clients, attorneys, the judiciary, and the public. Summary: Under direction, is responsible for determining case or appeal merit; ascertains facts; develops case plan; represents the State in legal actions… This website describes the role of the United States Attorney and our mission.