(1)(a) Each county prosecutor shall develop and adopt a written protocol addressing potential impeachment disclosures pursuant to Brady v. Government disclosure of material exculpatory and impeachment evidence is part of the constitutional guarantee to a fair trial.The Brady rule, named after Brady v. We found references to Brady material in various documents, including local rules, orders (including standing orders and standard discovery, arraignment,. A request for discovery set out in this paragraph and in Fed.R.Crim. Testimony that was not disclosed in the government's pre-trial disclosure letter. Hints of undisclosed Brady material when the prosecution represents that all such material has been disclosed. Evidence is material if its. Request order from court for discovery. -utilize protective orders prior to disclosure to defense.