what should i do?

i traded a so called freind a bagged blazer on dubz for a 91 honda and a bagged nissan 720 convertable, he had to get the title for the honda so i keep the blazer title and let him take the truck well a week later i try to call him and get no answer numbers been changed and i heard from sum people he skipped town-- then i find out he has wronged sum more people so what should i do he left town and moved to panama city florida i wanna go get my truck back what could i do -- oh and by the way i sold the car and the truck lol sorry i typed so much thanks in adavnced!!