Got scammed buying car what to do?

ok so i bought a 97 honda civic for 3,200. it seemed like a great deal, new paint no dents clean on the outside test drove it drove good, tags said june 2010 but the guy said he just payed them online and had the smog done a week ago so its all good. we met in a bank parking lot (found the car on autotrader) umed he was just going to go to the bank after we purchased it no biggy. well we bought the car saturday and on monday we went to get it registered in my name well apperently it is salvaged title and tags havent been payedi n 2 years. we car faxed it and it said it has had 8 owners and when we met with the guy he said hes owned the car for 6 years and his parents orinally bought it. now it wont p smog and is gona cost a lot of money we cant find the guy his phone # is disonnected and dont kno his address. the name on the title now is the owner back in 2008 and they said they sold it to a wrecking yard about 2 years ago so this guy never got it registered. he stole old tags and put them on to seem as they just expired. soo what can i do to find him we got a name and a supposedly adress from the lady who owned the car back in 2008 can anyone do anything? heres the link for the add. a href="http://www.autotrader.com/fyc/vdp.jsp?ct=p&car_id=288129575&dealer_id=65764067&car_year=1998&rdm=1287455939657&lastStartYear=1981&model=CIVIC&num_records=25&systime=&make2=&highlightFirstMakeModel=&start_year=1995&keywordsfyc=&keywordsrep=&engine=&certified=&body_code=0&fuel=&awsp=false&search_type=used&distance=75&marketZipError=false&search_lang=en&sownerid=1152316&showZipError=n&make=HONDA&keywords_display=&color=&page_location=findacar%3A%3Aispsearchform&min_price=3200&drive=&default_sort=&seller_type=b&max_mileage=&style_flag=1&sort_type=priceDESC&address=92504&advanced=y&end_year=1998&doors=&transmission=Manual&max_price=3800&cardist=16&standard=false" rel="nofollow"http://www.autotrader.com/fyc/vdp.jsp?ct…/a