The District Attorney is St. John The Baptist Parish's Chief Prosecutor, responsible for prosecuting criminals, presenting evidence to the Grand Jury, and implementing and carrying out the just prosecution of persons charged with criminal offenses. The District Attorney’s Office prosecutes felonies in St. John The Baptist Parish, as well as misdemeanors and traffic offenses, that occur in St. John The Baptist Parish. The District Attorney’s Office also argues appeals and handles other post-conviction matters, initiates forfeiture proceedings, oversees extradition of wanted persons, and litigates habeas corpus petitions brought in both state and federal court. The work performed by the District Attorney's Office is mandated by Louisiana State law.
In addition, the District Attorney’s Office serves as the legal representative for the Parish Government, representing the Parish President, Parish Council, Parish School Board, and all local government boards.