Two decades after America dropped whatever it was doing to watch a white Bronco cruise down the San Diego Freeway, the O. J. Simpson case remains unparalleled as noir mystery, soap opera, and (though noç  one knew it at the time) TV’s first reality show. Examining how the cast—Kato Kaelin, Marcia Clark, Faye Resnick, et al.—got its hooks into popular culture, Lili Anolik accuses Simpson of a different murder.