heiko lunsmann? >> a terrorist on the line. when we come back, the life-and-death negotiations begin. >>> coming up -- >> we need 10 million u.s. dollars for the release of your family. >> $10 million, from me? are you losing your mind? >> dad, we need you to send the money. >> i'm getting worried. i'm getting so worried. >> when "dateline" continues. like you, your cells get hungry. feed them... with centrum micronutrients. restoring your awesome, daily. centrum. feed your cells. from potentially deadly heartworm disease.hide the threat is everywhere. and it only takes one mosquito bite to transmit it. that's why you need to protect your dog with heartgard plus. just one real beef chew given once a month, every month, helps keep your dog safe all year long. test dogs for infection prior to use. in rare cases digestive and neurological side effects have been reported. for more information contact your vet. get your dog out of hiding. ask your vet about heartgard plus. the vet's # 1 choice what i do? i snack on blue diamond almo