Well, the root problem is prosecutorial misconduct which is how they get their success rate so high that you're forced to plea-bargain. As proof of misconduct,

Well, the root problem is prosecutorial misconduct which is how they get their success rate so high that you're forced to plea-bargain. As proof of misconduct, note that when evidence is proved systematically unreliable, prosecutors argue that the rulings should remain. (eg, hair testing, etc) There's no desire to get the right answer, just to get the most convictions.