Nancy Guthrie case: Former cop shows how missing mom could vanish just yards from homes

This material may not be published, broadcast, rewritten, or redistributed. ©2026 FOX News Network, LLC. All rights reserved. Quotes displayed in real-time or delayed by at least 15 minutes. Market data provided by Factset. Powered and implemented by FactSet Digital Solutions. Legal Statement. Mutual Fund and ETF data provided by LSEG. Retired PCSD Lt. Bob Krygier breaks down the unique terrain in Tucson, Arizona, and how it complicates the search for Nancy Guthrie. TUCSON, Ariz. — Walking down a desert path carved through the neighborhood just a mile and a half from Nancy Guthrie's home in the Catalina Foothills, retired Pima County Sheriff's Lt. Bob Krygier points into the dense brush. "You can throw something under the tree right there, in this brush right back here," he says. "We could walk past... I guarantee you we've walked by things that are probably suspicious in nature, dead animals, things like that, and you're just not going to see them the terrain itself acts as a natural hide for things." He's in what locals call a "wash." They are the pathways that water escapes during heavy rainfall, also known as ephemeral rivers, and they appear all over Tucson and the surrounding