India, Feb. 5 -- Tommaso Cioni is Nancy Guthrie's son-in-law, who is married to her eldest daughter, Annie Guthrie. Cioni was the last person to see Nancy before her disappearance between January 31 and February 1, NY POST reported, citing authorities.

Officials have verified that Nancy dined with her daughter Annie and was subsequently dropped off at her residence in Arizona at approximately 9:30 p.m. local time. It remains uncertain whether Cioni accompanied them.

Authorities suspected that Nancy could have been abducted from her residence.

In her podcast, journalist Ashleigh Banfield asserted that a source within law enforcement informed her that Cioni could potentially be a "prime suspect" in this case. However, this information ha...