Reporting of child pornography images on Wikimedia Commons 2006 he founded Citizendium, a competitor to Wikipedia. While Sanger has gone on the record that this was not an attack on Wikipedia, nor a way to boost readership of his own free web-based collaborative encyclopedia, there is a significant level of skepticism that Sanger acted without malice. Sanger has had an antagonistic history against Wikipedia since leaving, including criticism of Wikipedia co-founder Wales, and of the Wikipedia community: "The ... community had essentially been taken over by trolls to a great extent. That was a real problem, and Jimmy Wales absolutely refused to do anything about it." Fox News
Wikipedia images disruptively. Obvious vandalism is generally easy to remove from Wikipedia articles; the median time to detect and fix vandalism is a few minutes. However, some vandalism takes much longer to repair. In the Seigenthaler biography incident, an anonymous editor introduced false information into the biography of American political figure John Seigenthaler in May 2005. Seigenthaler was falsely presented as a suspect in the assassination of John F. Kennedy. The article remained uncorrected for four months. Seigenthaler, the founding editorial director of "USA Today" and founder of the Freedom Forum First Amendment Center at Vanderbilt University, called Wikipedia co-founder Jimmy