ask your doctor about dovato-i did. >>> police have been taking a close look at liz golyar. >> all of idea that cari farver was dead, and liz had been impersonating her this entire time. >> looking at liz's phone download, we had the picture of cari's vehicle. we had the star-67 phone calls that liz had placed to cari's home phone number. >> and there's one more piece of evidence. that mystery fingerprint left in cari's car. but so far, police can't find a match in their data base. >> one of the things we did when we took the case is we had that fingerprint compared to liz's fingerprints, and it was a match. >> doty delivered startling news to dave kroupa. he told him that they suspected that liz golyar was pretending to be cari. >> the police had come to me and said liz is the culprit. but i still hadn't seen any evidence myself. i was either trying to ignore the whole thing or trying to understand how this person i spent so much time with could be this other person i didn't know. >> he never questioned his stalker's identity. she said she was cari, so who else could it be? >> dave w