<P> John Lowe (Wes Bentley) answers a phone call from Scarlett (Shree Crooks). During the call, he notices his ceiling and wall are bleeding . Miss Evers (Mare Winningham) is having trouble getting out a difficult bloodstain as well . Every Halloween, she is reminded of her son, who was kidnapped in 1925 . John arrives to question the blood coming from her room, and they talk as she explains that her son was taken to a ranch outside town, and all they found was the costume . His kidnapper had taken and killed many children and disposed of their bodies with quick lime and set them in a mass grave . After the recounting, her mood upswings as she blathers on about preparations for the festivities . Alex Lowe (Chloë Sevigny) has brought Holden (Lennon Henry) home, but the family dog rejects him . As she returns with a glass of juice for Holden, she finds him feeding on the dog's neck . He does not feel well, and wants his "other mommy". </P> <P> Alex returns with Holden to the Hotel, and the boy scampers to his coffin . Elizabeth (Lady Gaga) appears and explains that she saves children from neglect and speaks about John as she walked Holden away from the carousel herself . She goes on to explain the viral infection . An aggravated Alex holds her at gunpoint, wanting a cure, but Elizabeth wants loyalty in exchange for passing on the virus to her . John discovers the Wineville Chicken Coop Murders that Evers mentioned took place 85 years prior . He heads to the hotel's bar to drink a double martini . Aileen Wuornos (Lily Rabe) enters for her 13th Devil's Night, and John recognizes her as Halloween costume . Liz mentions that John is a special guest of the hotel and a cop; Aileen offers him sex, and they go to his room . </P> <P> While tied to a chair, he slowly realizes what Devil's Night at the Hotel Cortez involves, and they fight until he handcuffs her in the bathroom and finds her (true) Driver's License . He returns to the guestbook and finds plenty of serial killers have signed in . Liz describes March's annual tradition and discovers John himself is on the invitation list . He arrives at Room 78 for dinner . There March introduces himself and John reminds him that March would have died 85 years prior . March counter-reminds him that anything is possible in the hotel . John Wayne Gacy (John Carroll Lynch) and Jeffrey Dahmer (Seth Gabel) introduce themselves, and John recognizes the Zodiac Killer, Aileen, and Richard Ramirez on his own, when Gacy handcuffs him to his chair . </P> <P> While the dinner continues, Evers brings out a drugged young man as appetizer . John tries to shoot Dahmer to prevent him from trepanning the young man, not knowing that the shot will have no effect on ghosts . Outside the hotel, Sally muses with a man named Craig (Nico Evers - Swindell) about Halloween . She brings in the man, which will buy her a year of solitude from March . The killers all take turns stabbing him . Sally sees the distressed John, and tells him he has been hallucinating from the alcohol and leads him away . Alex accepts Elizabeth's request to join her and sucks blood from Elizabeth's breast . </P>

Who are the serial killers in ahs hotel