India, May 19 -- More than 100 days have passed since Nancy Guthrie, 84-year-old mother of Today anchor Savannah Guthrie, has disappeared from her Tucson home in Arizona in the early hours of February 1. Police believe she was abducted but no suspects have been named so far.

Now, on the latest episode of the Brian Entin Investigates podcast, NewsNation Senior National Correspondent Brian Entin and retired FBI Special Agent Steve Moore are pulling back the curtain on what went wrong, starting from the day one.

Entin revealed he recently spoke with Aaron Cross, a sergeant from the Pima County Sheriff's Department, who described the first week of the investigation as flat-out "chaotic." According to Entin, per Parade, there was a breakdown...