And to educate you, the USSC already ruled when that requirement attaches. Not until the person is scheduled for trial. As the 6th amendment was interpreted
In all criminal prosecutions, the accused shall enjoy the
right to a speedy and public trial, by an impartial jury of the
State and district wherein the crime shall have been committed, which district shall have been previously ascertained by law, and to be informed of the nature and cause of the accusation; to be confronted with the witnesses against him; to have
compulsory process for obtaining witnesses in his favor, and to
have the Assistance of Counsel for his defense
As the Fifth Circuit would later explain in the appeal in Mansfield’s § 1983 case, “this Court’s precedent has consistently held that Brady focuses on the integrity of trials and does not reach pre-trial guilty pleas.” In other words, in the Fifth Circuit, “there is no constitutional right to exculpatory evidence during plea bargaining.”