 The next day , Mulder asks Roche where he was the night Samantha was abducted . Roche claims he was on Martha 's Vineyard and had sold a vacuum cleaner to Mulder 's father . Mulder later finds the vacuum in his mother 's house . After convincing Walter Skinner to grant them further access to Roche , the agents question the killer and are told the location of one of his remaining victims . He also claims exactly what happened the night of Samantha 's abduction . An autopsy of the body reveals it does not belong to Samantha . Roche tells Mulder the final body is Samantha 's , but says that he will only reveal where it is if Mulder takes him to the scene of her abduction . Mulder secretly releases Roche from prison and brings him to Martha 's Vineyard . 
