A Brady motion is a defendant's request that the prosecution in a California criminal case turns over any potentially "exculpatory" evidence. The Brady rule, named after Brady v.Maryland, requires prosecutors to disclose material, exculpatory information in the government's possession to the defense. Section 9-5.001 of the United States Attorney's Manual describes the Department's policy for disclosure of exculpatory and impeachment information. This article is intended to explain the State's discovery obligations under. Florida Rule of Criminal Procedure 3.220 and the United States Supreme Court. A Brady Motion is a tool that attorneys use to make sure that police and prosecutors have turned over all of the exculpatory evidence.