Janet Cooke’s world: Every student journalist should know about Cooke, the only reporter ever forced to return a Pulitzer Prize because her story about an eight-year-old heroin addict was a hoax.

Bill Green, the Washington Post’s ombudsman, wrote a blistering report on the Post’s editorial lapses that is a model of journalism accountability. It set the standard for ombudsmen. From the Ethics AdviceLine for Journalists archives.