More than three weeks after 84-year-old Nancy Guthrie was abducted from her Tucson, Arizona home, there is still no sign of the missing woman.
Guthrie — the mother of “Today” show host Savannah Guthrie — was taken from her home last month, sparking a nationwide search and thousands of investigative leads.
Now, a Deerfield Beach-based forensic lab is playing a critical role in the ongoing investigation…