remembers in his life. >> i am mom and he calls me mom. he understands i am not his biological mother. >> what kind of dad was cliff to christian? >> he was a great dad. they went and played ball together. they went fishing together. they went on travels together. cliff is a phenomenal father. >> meanwhile, up in tennessee, lynne's one-time fiance ed o'dell, had moved on with his life, too. married now with children. the dwindling friends of lynne thought they would never see a resolution to the case of the missing woman. but there was one person in particular who didn't like to see the dusty jacket of unsolved cases in his files. in 2010 one of miami's most experienced prosecutors, michael von zamft, took over the case along with assistant state attorney mari mato. what did you think the biggest problem with the case was?