Wired is investigating whether one of their freelance journalists Michelle Delio may have fabricated quotes in some articles. Wired News has published more than 700 news stories written by Delio. When MIT Technology Review Online and InfoWorld edited or retracted stories by Delio after concerns about the authenticity of some sources, Wired assigned journalism professor Adam Penenberg to review a number of articles. In several cases they could not locate and confirm some of the sources Delio used. Wired lists 24 articles and ask readers to help confirm these stories. From now on they also require freelance reporters to submit contact information for all named sources. Anonymous sources will be used only with appropriate justification.