As a defendant, you have to pay forensics experts -- highly -- to research and create such evidence of manipulation. If they are willing to take on your case;

As a defendant, you have to pay forensics experts -- highly -- to research and create such evidence of manipulation. If they are willing to take on your case; they have their own reputations and motives. This all taking us further into an effectively tiered justice system. Can you afford to challenge the evidence, even if you think it's doctored? If you are a cause celeb -- or a good vehicle for a non-profit -- maybe someone else will. Otherwise...