We found references to Brady material in various documents, including local rules, orders (including standing orders and standard discovery, arraignment,. A Brady motion is a defendant's request that the prosecution in a California criminal case turns over any potentially "exculpatory" evidence.It is a good practice to have a column in the spreadsheet to mark if a document contains exculpatory evidence. Some Tips to Get Brady Material. A complete post to cover how to request Brady material is beyond my scope today, but here are a few basic tips:. Government disclosure of material exculpatory and impeachment evidence is part of the constitutional guarantee to a fair trial. Harris County also has a pre-printed waiver form for a defendant to waive discovery. Has a model policy on Brady disclosure requirements, but the policy is only available to IAPC members.