CBP deploying tracking dogs in search for Savannah Guthrie's mother

Customs and Border Protection has deployed tracking dogs to search for the missing mother of Today co-host Savannah Guthrie, Arizona law enforcement confirmed on Tuesday.

"CBP's role within this was in our search-and-rescue mission, where we constantly use them," Pima County Sheriff Chris Nanos said, noting that his department does not have tracking dogs. "And so they came out and did that."...