not like her to have her phone turned off. >> not like halee rathgeber to go missing. >>> coming up -- >> reporter: what had happened to halee? are you getting a sick feeling? >> i was sick all morning. it was so much anxiety. >> i just started screaming her name like, my stomach had dropped. and i was like, "oh my god" where is halee? where could she be? >> i was freaking out. i was just like i gotta go find my sister, something's wrong. i don't know what's wrong, but something's wrong. >> when "dateline" continues. nah. ♪ here? nope. ♪ here. ♪ when the middle of nowhere... is somewhere. the all-new chevy trailblazer. ♪ thewith acetaminophenctionzer. fights pain in two ways. advil targets pain at the source... ...while acetaminophen blocks pain signals. the future of pain relief is here. new advil dual action. ♪ but come ye back when su-- mom, dad. why's jamie here? it's sunday. sunday sing along. and he helped us get a home and auto bundle. he's been our insurance guy for five years now. he makes us feel like we're worth protecting. [ gasps ] why didn't you tell us about these savin