As Ms. Holton suggested, the type of answers you can get on a forum such as this are limited, especially given the complex nature of your post, so you should definitely consult with an attorney. Use the Find a Lawyer tab to find one in your area. That said, you should also be aware that governmental agencies and employees in California have a lot of different immunities that could apply to your situation, especially the immunity for discretionary acts when exercising authority vested in the employee. Also, there is a requirement that a claim be filed within six months of the incident giving rise to the claim, and this is a mandatory prerequisite to filing a lawsuit against a public agency in California. So, you need to consult with an attorney who can analyze your situation and determine if you have a case that can be pursued, as well as help you through the claims process. Best of luck to you...
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I suggest you look for attorneys here who do personal injury. If you contact me then I can refer you to someone else who does this kind of litigation.
This answer is not legal advice and does not create an attorney-client relationship.