India, March 9 -- The mysterious disappearance of Nancy Guthrie, the 84-year-old mother of journalist Savannah Guthrie, has drawn comparisons to the infamous Idaho murders as investigators continue the search more than a month after she was allegedly abducted.

Law-enforcement officials believe Nancy Guthrie was abducted from her home in Tucson, Arizona, in the early hours of February 1, but authorities have yet to name a suspect or person of interest in the case.

In the Idaho Murders case, authorities initially had limited evidence before eventually identifying suspect Bryan Kohberger through trace DNA on a knife sheath. According to CBS News, experts now say similar forensic approaches could prove crucial in the Guthrie investigation....