The Wynand papers—that stronghold of yellow journalism, vulgarity, corruption and muckraking, that organized insult to public taste and decency, that intellectual underworld ruled by a man who has less conception of principles than a cannibal—the Wynand papers are the proper champions of Howard Roark, and Howard Roark is their rightful hero.
There are no more uses of "muckraker" in the book.
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She established herself as a muckraker with a an expose that alleged...
[O]nline muckraker Matt Drudge modestly declared on MSNBC that the incident marked "the beginning of a second media century."
James Poniewozik -- Time, 2003 — Let’s Spin One For the Gipper -- http://www.time.com/time/columnist/poniewozik/article/0,9565,539195,00.html(retrieved 11/21/09)