. >> reporter: as laura saxton tends pigs in her yuma, colorado home, she's convinced another kind ofould she somehow be alive? >> what if she is still t there somewhere? >> reporter: our story is about this is portsmouth, ohio, a stone's throw from the kentucky border. this former meat-packing hub now plagued by prescription drug abuse would seem to have nothing to do with the disappearance of kelsie schelling 1,200 miles away in colorado. but listen to this mother's story. >> i want her to come running down that street, come walking around the corner. >> reporter: marcella lancaster has never met kelsie's mom laura saxton. but she knows all about her pain. >> you've got to just like try not to cry every day in front of my grandson. >> reporter: just two months after kelsie schelling disappeared, leaving behind no trace but her abandoned car, a strikingly similar fate befell marcella's 25-year-old daughter megan. she vanished from portsmouth, also leaving behind no trace but her abandoned car. >> at first glance, there are a lot of similarities between these two cases, which one coul