DA, or District Attorney, is a public official responsible for prosecuting criminal cases on behalf of the government. They represent the state or local jurisdiction in court, making decisions about whether to file charges, negotiate plea deals, and present evidence during trials. Their role is crucial in ensuring that justice is served and that the legal process is upheld. In addition to prosecuting cases, the DA's office often works with law enforcement agencies to investigate crimes and gather evidence. They may also engage in community outreach and education to inform the public about legal issues and the criminal justice system.