Kidnapping survivor Elizabeth Smart is sharing her belief that Nancy Guthrie could still return home more than four months after police believe she was abducted. The 84-year-old mother of Today anchor Savannah Guthrie disappeared from her Arizona home on the morning of February 1, prompting a nationwide search for the missing woman . No suspect has been identified in the case, and there is no evidence shedding light on whether Guthrie is alive. Smart, who was abducted from her home as a teenager in 2002 and was held captive for nine months before her rescue , shared her thoughts on the search for Guthrie in a recent interview with CNN host Erin Burnett. In response to Burnett asking Smart if she thinks there is a possibility of Guthrie surviving, Smart responded: “Absolutely. Absolutely. She could absolutely still be alive. There are cases that span many more years than mine does and they came back alive. And we're talking years and years.…