What is relevant, is that you need a lawyer to do this successfully. Civil rights is an area of law that for practical purposes cannot be understood without training. The police officer will have several experts defending if you sue. Unless you have a lawyer you will be out of luck. If you post details on line, the LEO's lawyers will be able to use this for their purpose. You need a lawyer who knows civil rights in your jurisdiction.Don't try this by yourself.Get a lawyer. Most of the time initial consultations are free.