Legal Question in DUI Law in Pennsylvania

Re: preliminary hearing

Preliminary hearing is to determine what evidence the Commonwealth has against the defendant, not to put on a defense. Your sister should get an attorney. It is possible, but not likely, that your sister would go to jail from the preliminary hearing on a DUI charge. The District Judge can set bail at this hearing, or release her on her own recognizance.

Re: preliminary hearing

Your sister needs a lawyer. While she can't be convicted at the preliminary hearing, evidence can be tested by an attorney to see if the prosecution has a case. Her attorney could then advise you on how to respond to the subpeona. I offer free consultations.