I am a body language expert and have a blog (http://www.spyingforlying.com) where I examine things like this video at and I see 4 very interesting things that could have lead to the parole officier to believe something was up that I outline in a post titled, Four Clues I See: Riveting Raw Video Footage of Parole Officer Searching the Home Where Jaycee Dugard was Being Held in Backyard.