India, May 19 -- A retired FBI agent offered insight into the first hours after Nancy Guthrie went missing from her Tucson, Arizona, home. In the Monday, May 18 episode of Brian Entin Investigates, NewsNation Senior National Correspondent Brian Entin discussed the case with Steve Moore, a retired FBI special agent.

"I talked to a sergeant from the Pima County Sheriff's Department in the last week, his name is Aaron Cross, and he was describing sort of how chaotic it was the first week after Nancy went missing," Entin explained. "And that there was a communication breakdown within the department that also bled into communication with the FBI."

Entin mentioned the reported initial chaos at Nancy's house, with her family there, and asked M...