palmetto, a train that rides down the eastern seaboard, eight hours from washington to charleston, fine setting to meet a stranger. >> sat in the same street, laughed, were joking the whole way, started talking. >> reporter: heather kamp, fleshly supplied with jewelry and cash from her last mark, just by chance found herself sitting with a young woman wearing jewelry and perhaps with access to such cash as heather had never seen before. what did you see in her? why did you like her? >> she was funny, very funny. >> reporter: now, sitting here in jail, heather claims she came to see kate not as her next victim but as a friend. when in charleston, she professed her love for kate's body ethan mack and eventually married him, that love was true too, so she says now. when she told them both all of those well practiced lies about being a doctor, about her husband and child being killed in an accident, et cetera, et cetera, those stories, she said, were just part schtick she