WHAT IS THE BRADY RULE? The Brady Rule was initially announced in the United States Supreme Court case Brady v. Maryland , 373 U.S. 83 (1963). In 1963, the Brady Court held "that the suppression by the prosecution of evidence favorable to an accused upon request violates due process where the evidence is material either to guilt or to punishment, irrespective of the good faith or bad faith of the prosecution." [1]  Several additional Supreme Court cases were subsequently deci