truck that was parked in the hotel parking lot. if he did cross the bridge that night, surveillance cameras would show it. >> they show clearly a 1996 red dodge ram pickup truck with a motionless body in the open bed with clothes similar to rachel siani's going through the toll booth at 13 minutes after 3:00 on march 29th. >> 25 minutes later, the truck returned with nothing in the back. >> what the tapes don't show, clearly, anyway, is who's behind the wheel of that truck. >> the license plate was impossible to read, but police now had probable cause to search denofa's truck. they discovered it had been thoroughly cleaned. >> we thought we possibly lost any trace evidence of rachel being in that truck. >> the first search didn't turn