The mystery surrounding Nancy Guthrie's disappearance just took another heartbreaking turn. More than 100 days after Savannah Guthrie's mother seemingly vanished without a trace from her Arizona home, experts now believe authorities have significantly reduced the number of resources dedicated to the case - and honestly, it is sounding more and more troubling by the day. Related: Bone Discovered Near Missing Nancy Guthrie's Home - Here's What Police Know Of course, investigators insist the case remains active.