Article continues below advertisementAfter former NewsNation host Ashleigh Banfield claimed on Tuesday, February 3, that Savannah Guthrie's brother-in-law, Tommaso Cioni, has been identified as a person of interest, police issued a statement amid the investigation. Article continues below advertisementArticle continues below advertisementSource: NBCNancy Guthrie was reported missing on February 1.Pima County Sheriff's Department issued an update on Wednesday, February 4, confirming they have "not identified a suspect or person of interest" in the case.