>> off-line they do a search to match that specific car to a specific registered owner within that state. they will narrow down to some cars that have been destroyed. narrow down some people far away. hopefully it will come up in close proximity where the abduction occurred. bill: you have two videotapes to work off but you can not identify the license plate number. >> no. that is problematic identifying the individual. we have a good composite sketch. however not having a plate number and not even knowing whether the vehicle is stolen or not, law enforcement will go to the presumption that it is not. that is big break in the case once they identify the vehicle. bill: being the best investigator you can right now. check the history of purchases at that service station? >> based upon his conversation with her, it would lead you to believe that he may be local. so they're going to look at purchases. they will go over credit card purchases. they will go over and speak to people that maybe have seen that individual in that van at that service station, maybe socializing with her or others. bill: you say the timeline