However, there were individual photos of Shea.
At the time, Elliot was also just a four-year-old child. Even if he was smarter than others his age, he still would not be able to do anything about wanting his sister to be a part of the family portrait.
Avery guessed that Elliot's father was the main reason behind the fact that Shea was left out of the family register. He could not accept having a mentally disabled child.
Otherwise, he would not leave his own daughter out of their family portra