This is highly dependent upon where you live. In some jurisdictions, the local county court website will have a "search by name" feature, whereas others only allow you to search by case #. In any...
If the civil case was previously adjudicated - and your attorney's objection (if they made one) was over-ruled, yes. The facts of that trial can be introduced in your criminal trial.
Surely. Any evidence can be used against you.Additional: Not really enough information is given in order to answer. How was it made? How was it obtained? It may not amount to anything more than...