Article continues below advertisementAshleigh Banfield Claimed Savannah Guthrie's Brother-in-Law Is a Prime SuspectSource: MEGA; @savannahguthrie/InstagramPima County Sheriff Chris Nanos refuted Ashleigh Banfield's claims.Ashleigh Banfield made a bombshell claim that Savannah Guthrie's brother-in-law, Tommaso Cioni, is a suspect in Nancy Guthrie's disappearance.The journalist pointed fingers at Cioni during the February 3 episode of her "Drop Dead Serious" podcast, titled Stunning New Twist: Savannah's Sister's Car Seized, Cameras Smashed."They have towed Annie Guthrie's car.