India, March 1 -- A month after 84-year-old Nancy Guthrie vanished from her Tucson, Arizona home, her family returned to the house to leave behind a deeply emotional message. The visit, which was reported during NBC Nightly News, showed the growing heartbreak of loved ones who continue to search for answers in what authorities are investigating as a suspected abduction.

Nancy, the mother of journalist Savannah Guthrie, was reported missing on February 1. Since then, law enforcement agencies have launched a large-scale investigation, while community members have built a makeshift memorial outside her residence.

Nancy Guthrie Latest Update: What Did the Family's Message Say? During their recent visit, Savannah and her siblings placed a ha...