Article continues below advertisementElizabeth Smart is using her own kidnapping story as a prime reason Nancy Guthrie's family should not lose hope in finding the missing mom alive.During an appearance on the Thursday, February 26, episode of Keltie Knight, Jac Vanek and Becca Tobin's "Ladygang" podcast, Smart weighed in on Guthrie's disappearance while reflecting on being abducted from her Utah home in 2002 at age 14.