LOOKING for someone.. HIs name is William Matthew Thompson?

He use to live in Illinois and I think he may be in flordia Now.. He is 31 years old and went to Morris HighSchool in Morris Illinois... I have paid through the internet sites and Have done the searches for him online also.. They have nothing updated on him,., His last known addy was in 2002.. If you could help me find him,,Please let me know.. Or if you have any Ideas.