That means that an Assistant DA looked at your case after you we're arrested, realized it was a bad case that couldn't be proved up, and decided to do the right thing and not even file it. When the decision not to file was made, the jail got notified to release you. Congratulations. You are, by the way, going to be eligible to apply to get your case expunged from your record early (perhaps as early as now). If you'd like to look into getting that taken care of, so that the arrest won't show up on your record forever and mess up your background checks, you're welcome to contact me--in most cases, I can handle expunctions statewide, since if you're entitled to one, typically no one wants to waste the effort on having a heating, and it can be done by agreed order instead.
For whatever reason, DA has not filed charges. Could happen at any time while the statute of limitations is running. Do not suggest you regularly call D's office. Give them every opportunity to forget you exist.
The above 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.
It could mean that the DA couldn't find or regenerate the file, but probably not. Most likely the police filed their report and the DA reviewed it and determined that there was no law violation or there was not sufficient evidence for prosecution.
The case can be expunged off your record. You will need to hire a lawyer.
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