Dr. Leonard Church was the former Director of Project Freelancer, until he became a wanted criminal of the UNSC and was placed under arrest by them for numerous protocol violations, as stated in the beginning of Reconstruction: Chapter 19. He then went into hiding at a secret location, where he would later be confronted by Carolina and Epsilon. He is the secondary antagonist of Reconstruction and the primary antagonist of the Project Freelancer Saga, as well as one of the main antagonists of the series overall.