Not sure what you mean. Her not trying to escape? She worked in their print shop with free access to the phone, internet and customers. Repeat customers knew her and talked to her. She came and went without her captors. The neighbors knew something was going and had called in reports but she never asked for their help. Even when they were eventually brought in, she lied to police about her identity.
She was kidnapped at age 11 and brainwashed in a cult-like manner. The officers who questioned her said she had Stockholm Syndrome. Whatever she was free to do as an adult, his years-long crime had already occurred while she was a minor and when the police made several blunders in monitoring her kidnapper’s activity.