theory. Ellen goes to campus, where Patricia reveals Dorothy was dating someone. Ellen finds Dorothy's ex-boyfriend Tommy Roussell, who explains he had a breakdown after his relationship with Dorothy and was out of school when she died. Remembering she then dated another student, Tommy takes Ellen to his apartment to show her the man's yearbook photo. Ellen waits outside, while Jonathan stalks her in his car. Tommy finds Jonathan's photo, but Jonathan strangles him, types a suicide note on Tommy's computer admitting to killing Dorothy, and stages his suicide. Ellen is left convinced that Tommy killed Dorothy. Ellen returns home to New York, and her boyfriend arrives – Jonathan, who has assumed Jay Faraday's identity. Their relationship develops, working together at Castle House, and "Jay" impresses Thor with his ambition. Ellen and Jay marry, and he joins Carlsson Copper. Intercepting a call from Patricia, who is heading to New York after remembering the identity of Dorothy's boyfriend, Jay arranges for Patricia to wait in her hotel room for a call from Ellen the next day. There, he strangles Patricia, dismembering her in the bathtub and stuffing her corpse in a suitcase before going out on a date with Ellen. After driving her home, he dumps the suitcase in the East River. A police detective investigating Patricia's disappearance informs Ellen that her name and number were in Patricia's diary. Suspicious, Ellen confirms with Tommy's parents that he was institutionalized at the time of Dorothy's death. Ellen asks Corelli to reopen the investigation, with no results. At a bar with Ellen, Jay is recognized as Jonathan Corliss by an acquaintance from Philadelphia but insists he is mistaken, eventually hitting him. Unsettled, Ellen digs up a UPenn yearbook and finds a picture of Jonathan. She tracks down Jonathan's mother, who says that Jonathan had committed suicide three years earlier, though his body was never found. Visiting her in the house where he grew up, Ellen learns about his childhood. His mother leaves, and Ellen sneaks inside to search Jonathan's room, finding his suitcase of clippings about her family and her sister's lighter. Jonathan, having followed her, confesses that he killed Faraday and assumed his identity. He schemed to marry into the Carlsson family, but Dorothy's unplanned pregnancy meant she would be disinherited. Jonathan prepares to strangle Ellen, who escapes from the house to the train tracks. Giving chase, Jonathan is run over by