Reporting of child pornography images on Wikimedia Commons caused by his history with Wikipedia and his own competing online encyclopedia, Citizendium. Sanger denied that the letter was an attempt to undermine Wikipedia, but did confirm it was an attempt to force a policy change for labeling or eliminating "adult" content on Wikipedia. Things escalated when Fox News began reporting on the issue. In response Jimmy Wales, co-founder of Wikipedia, and other administrators began deleting images "en masse", with Fox News reporting that a new policy change was underway. Days later Wales voluntarily relinquished his administrative powers on Commons under heavy criticism from the Wikimedia community. Fox News also
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