 During the court trial, Grissom discovers a fingerprint that wasn t there on the matchbook cover before, which makes him reopen the case. To avoid any appearance of impropriety, he recuses himself from case review and asks Catherine to supervise the case. Conrad Ecklie opens an internal inquiry into Grissom s ability to lead the team. He also asks Sofia Curtis to review Grissom s handling of the original case and check if he has violated any procedures in mishandling the evidence.