The top of the legal pyramid in the US claim Constitutional rights and associated case law do not “extend” to pre-trial negotiations. This affects 95% of criminal cases that occur in the country. This regressive thinking puts other cases influencing personal and civil rights at risk.

A federal appeals court has ruled that prosecutors can withhold evidence that may prove defendants innocent before they plead guilty.
— Read on newrepublic.com/article/151331/brady-rule-plea-bargaining-wrongful-convictions