if the challenger is in a field with no house around, contact the local police, let them run the vin, may take some convincing, they will either find the owner of the poperty,then you have a contact, or, the may declare it abandoned, you MAY be able to get the vehicle that way for very little out of pocket , i have actually bought a car by haveing the police declare it abandonded, was allowed to tow it away, then had the police paper work to prove how i obtained it , then went to dmv and legaly got a title, i also had the option to obtain a title from broadway title, was a 72 amx, 360 4spd, complete car, sitting in an old storage lot for years