 Prior to Mary getting enraged for the killer's escape, she and Kendall find Willard being released from custody due to lack of evidence.Kendall then goes to the police station and presents his theory to Holden about the killer being part of the university faculty, since the killer knows when and where to strike before avoiding the police.They spend hours researching files on the faculty and discover that the Dean previously changed his name and that his mother was brutally murdered, finding out the Dean's identity to be a grown-up Timmy.