>> it was a bittersweet ending for nikki's family, they will likely never see matt lyerly again, but as nikki lyerly's youngest girls left to go back north with their grandfather, it seems just as likely that they would never see them again, either. edge they were my girls but i still love them, to this day. i taught them how to read but i got them ready for school in the mornings. >> you would like to have a relationship with them? >> i would love to have a relationship with them again. i don't know that that they will ever come, but i want them to know that my door is always open. but i don't know that they will ever come. >> one murder, so many victims. >>> that's all for this edition of dateline. i'm craig melvin. thanks for watching. ks for wat. we were like sisters. >>> hello. i'm craig melvin, and this sis dateline. >>> we were like sisters. we had shared so much. i told me they had found her body, and i just collapsed. she is dead, because she was my friend. >>> first, melissa disappeared. >> that's the million-dollar question. >> i knew then that she had never made it into h