Arizona sheriff reveals DNA test setback in Nancy Guthrie case

Retired FBI supervisory special agent James Gagliano weighs in after Pima County Sheriff Chris Nanos announced DNA testing on a hair sample found inside missing Nancy Guthrie's home failed to identify a suspect on 'America Reports.'

Retired FBI supervisory agent James Gagliano discusses the latest setback in the search for missing 84-year-old Nancy Guthrie after Pima County Sheriff Chris Nanos announced that DNA testing on a hair sample found inside her Tucson home failed to identify a suspect. Gagliano also comments on what the results mean for the investigation and why he believes not involving the FBI earlier was the case's 'bigg