Sheriff rules out family members as suspects in Nancy Guthrie's disappearance

As the search for Nancy Guthrie continues, the Pima County sheriff for the first time is officially ruling out her family members, including siblings and spouses, as possible suspects. Meanwhile, investigators are also using a device known as a "signal sniffer" to try to detect transmissions from Guthrie's pacemaker. Jonathan Vigliotti reports.

source https://www.cbsnews.com/video/sheriff-rules-out-family-members-as-suspects-in-nancy-guthries-disappearance/