a bridal thing at one time. >> that friday, sandy took the day off from her job at a car dealership to prepare for the party. sandy'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. she liked it. >> sandy 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. >> pick up the birthday cake after 3:00 today, and i'll be down right afterthat. i'll probably see you after 4:00. talk to you later. >> vicky's hands were full with her kids and sandy's. at first she wasn't too concerned. >> around 4:30 or 5:00, i started calling her. you're not here yet, sandy. it just wasn't like her, and i