You need to consult with an attorney in the right city. You'll get nothing on this forum.
Please designate a best answer to your question, and mark as helpful any answer you find helpful. Help support the time spent by attorneys in this forum. Thank you. This is not legal advice and is provided for informational purposes only. NO attorney-client relationship or privilege is created, and none of this is confidential.
A corrupt District Attorney? Sadly, that happens more often than you'd like to think. The answer is to hire a great criminal defense attorney.
The above is for academic purposes and is not intended as legal advice. The response does not constitute the creation of an attorney client relationship as this forum does not provide for a confidential communication.