Thank you for your new question and for asking for me again.
You cannot go against the prosecuting attorney for anything, he has qualified immunity from suit for this. Furthermore, he has the discretion as to what evidence to present or not present and as long as he turned this evidence over to the defense his duty is satisfied.
It is up to your friend's attorney to raise these issues in the court and perhaps he is waiting for trial to do so, but she needs to find out from him why he has not introduced this evidence to impeach the officer's testimony in the suppression hearing and what his strategy is on this matter. It could be that he did not want to put on the record that your friend confessed to purchasing for someone else just yet, which is admitting to the misdemeanor at least.
I would think he would have raised the fact that the evidence and the receipts were fabricated and that the officer did not find what they claimed to have found and they were not purchased at the same time. That failure could indeed be considered ineffective assistance of counsel and also possibly malpractice, but you would have to wait for the end of the trial to pursue that against her attorney.
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