From Yoni Appelbaum writing in The Atlantic: How the Professor Who Fooled Wikipedia Got Caught by Reddit.
But it took just twenty-six minutes for a redditor to call foul, noting the Wikipedia entries’ recent vintage. Others were quick to pile on, deconstructing the entire tale. The faded newspaper pages looked artificially aged. The Wikipedia articles had been posted and edited by a small group of new users. Finding documents in an old steamer trunk sounded too convenient. And why had Lisa been savvy enough to ask Reddit, but not enough to Google the names and find the Wikipedia entries on her own? The hoax took months to plan but just minutes to fail.