nanci brown: and beautiful. gina boone: gorgeous. nanci brown: tiny little thing. tiny. she wore like a double zero. she modeled, even? she did some modeling, actually, yeah. i think i remember she did some kind of a bridal thing at one time. andrea canning: that friday, sandi took the day off from her job at a car dealership to prepare for the party. sandi's husband greg says she was always a mom first. everything was about the kids, you know? so everything revolved around the kids. how excited was she to be a mom? i think she was really excited. i think that's what she wanted. yeah, she liked it. andrea canning: sandi had a plan. the kids would spend the day with vicky while she zipped around town. that morning she left vicky a message on her phone. but 4 o'clock came and went, and no sandi. vicky's hands were full with her kids and sandi's. at first she wasn't too concerned. maybe around 4:30 or 5:00 i started calling her. because i thought, "you're not here yet, sandi." and it just wasn't like her. and i was just feeling frustrated. andrea canning: the hours went by,