100 days later, Nancy Guthrie disappearance remains unsolved

More than 100 days after Nancy Guthrie disappeared, questions remain about what happened and why no arrest has been made. Lisa Evers spoke with Former NYPD Lt. Detective Commander Ralph Cilento about the case, the investigation and the possible theories detectives may be exploring. Cilento discussed why the case is unusual, the role of DNA evidence and why investigators may still be working multiple angles, including a possible home invasion or abduction.