There was also a report that a rental sedan was stopped between OKC and Dallas with several "middle-eastern" men; the license number on the vehicle matched the plates that were observed on the brown Chevrolet pickup that was seen speeding away from the Murrah Building. If your have not read it, I recommend "The Third Terrorist" by Jayna Davis and "Others Unknown" by Stephen Jones who was McVeigh's attorney.
See my post 36.