Do you have an attorney? If you can't afford one, the court will appoint the public defender to represent you.
All of the evidence will be disclosed to your attorney after your first court appearance. If the District Attorney doesn't cough everything up, your lawyer will know how to get it.
If you're trying to represent yourself, I would strongly advise you to reconsider. DUI defense is a very complicated area of law, and those who are good at it have years of experience and training. If you have to ask a very basic question, like how to obtain evidence, you probably aren't up to the more complicated aspects of the case.
Please understand that this is a general discussion of legal principles by a California lawyer and does not create an attorney/client relationship. It's impossible to give detailed, accurate advice based on a few sentences on a website (and you shouldn't provide too much specific information about your legal matter on a public forum like this site, anyway). You should always seek advice from an attorney licensed in your jurisdiction who can give you an informed opinion after reviewing all of the relevant information.
Thanks for your question.
There are a few ways of going through this, but they all involve the power of the subpoena. If you've requested a timely DMV hearing, the DMV has a subpoena that can be used for the information above you've requested. You can also do a discovery request in court (as authorized by the law contained in Penal Code §1054), or do a subpoena to the police department or hospital, etc., for the items you've described.
I hope this helps, but please feel free to post again if you have any other questions. It's my pleasure to help in any way that I can.
California Penal Code section 1054 governs discovery in criminal cases where the documents sought are to be produced by the proseuction. This is not the exclusive method for obtaining documents which may help your defense. Other avenues include Freedom of Information Act Requests from public entities, Adminsitrative and third party subpoenas for records, and informal requests from 3rd parties who may have the evidence you seek. It should be noted that the US Supreme Court has ruled in Brady and followed in Bagley and other cases, that exculpatory evidence must be produced to you even if not requested. Therefore if the sought records may tend to prove your innocence, the prosecution must provide those to you without request. Practically, even though the prosecution has a duty to produce documents under its control and part of the prosecution team, assistance from a qualified attorney is nearly always required to avoid the pitfalls of procedural issues.
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