flooded, jade's family could only get to the motel 6 by boat. same with detectives from the sheriff's department. >> we had to commandeer an airboat that was actually out in the neighborhood, that was doing rescues, to get up to the hotel. >> so this motel 6 is going under, too. >> is completely under. >> it's out on i-10. >> yes, sir. get in the airboat, make a route around the motel, and sure enough, there's the car. >> finding crystal's car was a huge break, but one wrapped in a riddle. did crystal leave her mercedes at the motel 6? or did someone else? >> you could tell that it had been haphazardly parked. >> and the keys were inside. >> yeah. it's -- >> connect the dots here. what's -- what's going on? >> it's like come and get it. this is -- i want somebody to take this car because something happened. so -- >> this is a tasty prize. steal me, huh? >> oh, absolutely. absolutely. >> but nobody seemed to have taken the bait. >> we -- well, there was a couple that tried. but the problem is the water was too high. >> crystal's car was later towed to a garage where a csi team went through it. >> forensically, what happens in that case? if the crime scene techs were