You raise many possible issues and claims. You should search Avvo for a lawyer in your city and call for a free consultation to discuss the facts in detail.
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I would suggest that you have the original incident reports, witness statements, the prosecutors file and any external surveillance recordings from the parking garage reviewed by an experienced premises liability attorney. From your description, it sounds like the police may have believed you were an aggressor in the incident, and, you may need to prove that you were not. The prosecutor's file may contain information that is helpful in establishing what evidence exists, and whether there is evidence tending to show that the complex negligently allowed a criminal threat to exist at the time of the incident.
You will need to secure all of the reports available from the police, witnesses, and any and all court records in order for a premises liablity attorney to be able to make an accurate evaluation of your case.
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