Contact the DMV as to why the incident was assessed 3 points as opposed to just 1 point.

Not my vehicle but had minor accident

Yes you may sue anycatvfault driver for their negligence. It sounds like the other driver should be found st fault from the narrative. Your damages...

You ask about criminal matters. It is up to the officer and the prosecutor to determine the appropriate charges not the victim.

If you caused damage to someone’s ppty you cannot just drive away from it. This includes private and public ppty.

Should I stick with my attorney?

There is no guarantee your insurance will just give you the max. The settlement needs to be negotiated the same as if it was with the at faults...

Can a police department put a hold on a vechicle that was towed because they are wanting to talk to a person that driving?

If the car was involved in criminal activity it can be held per investigation and potential forfeiture.

Is anyone liable in my injury/ accident situation?

The company that organized the event should be liable. They assured that the ice was safe when it was not.

Not sure what you are going to court for. I assume you were subpoenaed by the State as a witness against the st fault driver, who may be fighting...

Only if you exhaust the limits can you tap into your uniderinsured policy. Your lien holders have priority before you pay yourself.

I was in a wreck that killed some one not my fault but but they've had my car for 2 months an wanna charge me 1600 to recover.

The facts are very minimal and require too many assumptions to give a competent answer.