Once a week, he and his team met with children younger than six years old. During their meetings, he would ask them if they remembered an incident in which they ended up in the hospital after accidentally sticking their finger in a mousetrap. The team asked the question multiple times during the meetings, leading more than 50 percent of the children—all of whom had initially denied the incident—to change their minds. They made up a story from scratch, and it became increasingly detailed as time went on.
