. >> but when dave pietz showed up at their friends' apartment that evening, nici wasn't there. one hour, two hours, and still no nici. dave's wife of almost four years was gone, into the night. into the rain. what on earth had happened to nici pietz? >> nici's life hadn't always been so good. she had a troubled past. had those troubles finally caught up with her? or was it something else? >> did you think something was wrong, something more was wrong right from the beginning? >> yes. get ready for centrum micro-workouts. the bottle curl. the twist n' turn. the stretch n' grab. the gummy squish. centrum micronutrients fuel your body from the inside out. grab a centrum and join in. repeat daily. you don't want to live with mom and dad forever, do you? i'm making smoothies! how do i check my credit score? credit karma. don't worry, it's free. credit karma. give yourself some credit. >>> nicole pietz, a woman just shy of her 33rd birthday, reported missing by her husband. >> we just want to know she's safe. >> david pietz told reporters how he waited for her with friends at a saturd