I am not sure what type of lawyer to contact or who

In november 2007. I was the passenger in a vehicle during what appeared to be a carjacking. I was passenger, my 14 year old son was in the backseat and the driver/owner had pulled into his driveway and gotten out of the car to open the garage. at that time, this appeared to be a carjacking and assault, the police even acknowledged it as a robbery/larceny. i was attacked, my son was attacked//i am pregnant as well. the car was not found that night, however, the driver addressed that there was a cosigner on the car, a woman he had known from the past.. etc. the detective called around and declared this a repossession. saying that he had called the bank and they said it was late, (the payment wasin fact late, but not in repo status yet) and even if it was, how is this a legal repo, even if it was a legal repo, how does that constitute my assault, my sons assault and the assault of my unborn child, not to mention, the fear, the loss of personal possessions, etc.. now i have to personally press charges against the people that attacked us, however i cannot reach the detective to get their information to press the charges. the magistrate calls this a robbery, the detective says it is not, still justice has not been served for me, my son and my unborn child. i want to hold the bank responsible as well as whoever else was involved, i feel it was a planned assault, also knowing that one of the people involved had just gotten out of prison for this very crime and she on probation