he gets up and attacks her until Angel interrupts. Penn expects Angel to be on his side until Angel attacks him. Penn escapes and Kate is confused. Afterward, Angel confronts her and tells her to leave Penn to him because she does not know what she is dealing with. Penn confronts Cordelia in their offices. Cordelia surmises his identity and has him cornered with Angel until Wesley walks in and Penn uses him as a hostage. After Penn escapes, Angel searches for him and ends up at Kate's apartment, where she reveals she now knows about vampires and particularly his past. She mentions Penn's previous visits to Los Angeles, which Angel takes as a clue. Angel, Cordelia, and Wesley use his previous visits to find Penn's lair in an oft-remodeled hotel/apartment building. Angel and Wesley go there and find photos of school buses, along with schedules for such buses. It appears Penn's next target will be a bus of schoolchildren. Kate is prepping her task force for apprehending Penn when he reveals that he is in the room and attacks them all, then captures Kate. Penn drags Kate to the sewer and Angel intervenes, revealing that he had known that the schoolchildren were a decoy. They fight until Penn has Angel in a lock with Kate holding an oversized piece of wood. She jabs it through both of them, intentionally missing Angel's heart but killing Penn. Afterward on a rooftop, Cordelia tells Angel she had a vision, but he is worried about his nature, because he enjoyed the dreams of hunting and killing. She tells him his actions count, not his dark internal issues, though she promises to stake him if he becomes a problem. Production details After writing the first draft, Tim Minear had to rewrite parts of the script to accommodate Wesley's arrival and Doyle's departure; the final scene on the rooftop was originally between Angel and Doyle. The script was originally called "The Killer I Created", until a detailed summary appeared online, prompting Minear to alter the title. "I went on to the Buffy message board... changed the title and said it was about dreams and about horrible things that you do in your sleep, which completely fooled the fans," says Minear. Minear says Kate finally discovering Angel is a vampire is "sort of the point of the episode." Another pivotal scene, which was conceived early in