You can tell all to your criminal defense attorney who will validate the facts and determine if any evidence illegally seized can be excluded. Other than that not so much.
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You definitely do not have the basis for a civil lawsuit and need to concentrate your efforts on defending the criminal lawsuits. I always find it interesting when people are surprised that police officers lie. 70% of the population admits to lying on a daily basis and 90% of the population admits to lying at least once a week. As a judge, I knew in every case that multiple witnesses (including cops) would be lying. So, I would not get overly focused on that other than if the case goes to trial making sure that the jury members do not think that police officers are more trustworthy.
You need to hire a criminal defense attorney in order to see if there is a basis to suppress some or all of the evidence.
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