Body language expert unpacks FBI surveillance footage of Nancy Guthrie suspect — and their distinct physical traits

February 11, 2026 | 12:45pm

Susan Constantine, a human behavior investigator says newly released FBI surveillance footage in the disappearance of Nancy Guthrie reveals distinct physical traits that could help identify the suspect. In her breakdown of the video, she points to body proportions, eye structure and gait, estimating the person to be around 5-foot-10 to 5-foot-11 and physically fit, and raises questions about whether the fully packed backpack seen in the footage aligns with a robbery.