D.A. Law and Legal Definition

D.A. is the abbreviation as well as slang for District Attorney. In the U.S., D.A. is an elected or appointed government official who represents the government in the prosecution of criminal offenses. The district attorney is the highest officeholder in the jurisdiction's legal department. General duties of D.A. include managing the prosecutor's office, investigating alleged crimes in cooperation with law enforcement, and filing criminal charges or bringing evidence before the Grand Jury.