>> reporter: as laura saxton tends pigs in her yuma, colorado, home, she's convinced another kind ofwine has taken her daughter. but was kelsie murdered, or could she somehow be alive? >> what if she is still out there somewhere? >> reporter: our story is about to take a dramatic turn, to the east. 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 aband