Federal agents combed through a neighborhood north of Tucson, Arizona, on Wednesday as the search for Nancy Guthrie entered its 11th day.

Former FBI hostage negotiator Chip Massey joined “The Daily Report” to discuss developments in the case and provide insight into the ongoing investigation.
https://www.cbsnews.com/video/former-fbi-hostage-negotiator-explains-system-tracking-leads-guthrie-case/