the winter cari farver's texts were driving dave kroupa crazy. to them. and worse, said dave, the skin-crawling feeling that she was stalking him, spying on him. but always, like a ghost. when he looked, she was gone. then one day, about two months after it started, dave was driving home from his shop -- >> i'm coming through the parking lot and i notice the truck there, because it still had all the snow on it. and when i got up close i'm like, "oh, it's an explorer. oh, it's the right color. hmm." so i called the sheriff and said, "i'm pretty sure i found her truck." >> reporter: he was right. it was cari's suv, still half buried in the snow. >> they impounded it. we had a crime scene tech process it. and it was really clean. >> they did a thorough investigation. >> yeah, they -- they dusted it for prints. and they found a fingerprint inside. and recovered that. >> reporter: the fingerprint was found on a mint container in the cup holder of the suv. they ran the print through the national database. no hits. but if cari wasn't using her suv, at le