 Using Mulder 's credentials , Roche kidnaps a girl in Swampscott , Massachusetts whom he met on his flight with Mulder to Boston . Scully and Skinner arrive the next day and the agents head to the site of Roche 's old apartment in Revere . They find him with the girl in an abandoned bus nearby . Roche holds the gun on the girl and tells Mulder that he 'll never know for sure whether the last victim is Samantha or not if he kills him . Mulder is then forced to shoot Roche , as he starts to pull on the trigger of the stolen gun . In his office Mulder stares at the final cloth heart and puts it away , unsure of whether it belonged to Samantha or not . 
