>> his phone was missing. we checked medical insurance to see if he checked himself into a hospital. that never showed any activity. he was completely dropped off the face of the earth. gut then a sighting. a businessman visiting california's central coast said he saw gavin smith and a beautiful woman at a cash only taco restaurant. >> i happened to click on the link. i saw the photo. >> the waitress corroborated the story. sfwle was sitting here. she was sitting right here. >> gavin's sister raced up the coast to the restaurant. >> i said here's my brother's picture. did you see him? >> and? >> no. that was truly heartbreaking to me. >> it was all a big mistake. but it wasn't the last of the sightings. people seem to see gavin smith everywhere. >> because he kind of stands out