and here's what detectives doty and avis found on that phone. not been recovered to january 2013. >> i thought, that's where the police could not find, it dave did not know where it was, but somehow liz was able to take a picture of it. >> that was not all. remember that threatening photo cari emailed to dave, of a woman bound and duct taped? that photo was linked back to liz, which made them wonder, was it possible those wild and scary electronic messages all sent in cari's name were really sent by liz? that's tricky, even for a computer whiz to nail that bit of jell-o to the wall. >> it is beyond our expertise, and it's why you gotta say -- >> how well you know computers, social media, that nonsense. >> made us want to pick up a phone, call tony carver, and ask if he has any more information? >> tony, who is he? >> by day, i do information work and i do that for years. and by night, i solve crimes. >> [laughs] , you're a solving superhero. >> anthony carva's danger of was i. t. for this county. but by night, he's a reserve deputy sheriff offic