Another of them worked with Benjamin Pitezel to build a block-long house full of windowless rooms during the 1893 World's Fair, as detailed in Erik Larson's Devil in the White City.
The term for these people was coined by Ernst Gennat in an article about Peter Kürten. Jim Henderson and Hugh Aynesworth discovered that a massive hoax had been perpetrated by Henry Lee Lucas, so he probably isn't one of these people. These people often satisfy at least two parts of the Macdonald triad. One of them was the subject of the "geometric design" theory proposed by Gareth Penn, as well as two books by Robert Graysmith. Another of them worked with Benjamin Pitezel to build a block-long house full of windowless rooms during the 1893 World's Fair, as detailed in Erik Larson's Devil in the White City. A famous example of them operated in Whitechapel in the 1880s. For 10 points, name this type of criminal, examples of which include H.H. Holmes and Jack the Ripper.
The term for these people was coined by Ernst Gennat in an article about Peter Kürten.
serial killers [or serial murderers; prompt on partial answers; antiprompt on "thrill killers"; do not accept "spree killers" or "mass murderers"]