Dr. Knowlton lost her own daughter, Jessica, two years prior. She began abducting children as "replacements," believing she could provide a better life than their current parents.
They track Knowlton and Heather to a lakeside dock where Knowlton is holding a gun. After a tense standoff, she breaks down and is arrested. Case 2: The Peace Activist's Memoir Lie_to_me_1x06
In Lie to Me Season 1, Episode 6, titled the Lightman Group splits to handle two distinct cases involving a missing child and a potential literary fraud. Case 1: The Disappearance of Samantha Burch Dr. Knowlton lost her own daughter