<P> At the start of the novel, Gumb has already murdered five women . Behavioral Science Unit Chief Jack Crawford assigns gifted trainee Clarice Starling to question incarcerated serial killer Hannibal Lecter about the case . (Lecter had met Gumb while treating Raspail .) When Gumb kidnaps Catherine Martin, the daughter of U.S. Senator Ruth Martin, Lecter offers to give Starling a psychological profile of the killer in return for a transfer to a federal institution; this profile is mostly made up of cryptic clues designed to help Starling figure it out for herself, although Lecter does directly inform Clarice about Gumb wanting to have a sex change operation . This is highlighted in one of the most famous scenes from the movie where Gumb dances to the song "Goodbye Horses" by Q Lazzarus, putting on makeup and other women's accessories to complete his "transformation" into a woman . Starling eventually deduces from Lecter's riddles that Gumb knew his first victim, Frederica Bimmel, and goes to Bimmel's hometown of Belvedere, Ohio to gather information . By this time, Crawford has already found out the killer's true identity and gone with a SWAT team to his house to arrest him, but they find that it is only a business address . Meanwhile, Starling goes to the home of Bimmel's employer, Mrs. Lippman, only to find Gumb--calling himself "Jack Gordon"--living there . (Gumb had murdered Mrs. Lippman earlier .) When Starling sees a moth flutter by, she realizes she has found her man and orders him to surrender . Gumb flees into the basement and stalks her with a revolver and night vision goggles . Just as he is about to shoot Starling, she hears him behind her, turns around and opens fire, killing him . </P> <P> Harris based various elements of Gumb's MO on six real - life killers: </P> <Ul> <Li> Jerry Brudos, who dressed up in his victims' clothing and kept their shoes . </Li> <Li> Edward Gein, who fashioned trophies and keepsakes from the bones and skin of corpses he dug up at cemeteries . He also made a female skin suit and skin masks . </Li> <Li> Ted Bundy, who pretended to be injured (using an arm - brace or crutches) as a ploy to ask his victims for help . When they helped him, he incapacitated and killed them, dumping their bodies far away . </Li> <Li> Gary M. Heidnik, who kidnapped and tortured six women and held them prisoner as sex slaves . </Li> <Li> Edmund Kemper, who, like Gumb, killed his grandparents as a teenager "just to see what it felt like ." </Li> <Li> Gary Ridgway, the Green River Killer (still unidentified at the time of the novel's writing), who, like Gumb, dumped women's bodies in rivers and inserted foreign objects into their corpses . </Li> </Ul> <Li> Jerry Brudos, who dressed up in his victims' clothing and kept their shoes . </Li>

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