for yvonne boggs, the uncertainty is overwhelming. >> i can't sleep, i can't eat. it's probably the hardest thing in my life. >> reporter: her daughter, charlotte trego has been missing since may of 2014. she's one of six women who have mysteriously disappeared in and around chillicothe, ohio, in little more than a year. four of them have turned up dead. >> we want answers. we all want answers. we want to find out who is killing these girls. >> reporter: in this small midwestern town, there are growing fears of a serial killer. investigators say some of the murdered women may have known each other and most have been found in or near bodies of water. >> found a woman's body in the creek. she's wrapped up in a blanket. >> reporter: tiffany sayre's remains were discovered just days ago. >> we love her and we miss her. and we just want them all home. >> reporter: police are trying to calm fears. detectives say some of the women were prostitutes battling drug addiction. >> there's been a lot of talk of serial killer. we haven't found any evidence that links these female