When Is Undercover Reporting Justified?

The general rule for undercover journalism is not to break the law. But there are also numerous ethical considerations: chiefly to make sure that the sin doesn't hijack the scoop. Brooke Kroeger is the author of "Undercover Reporting: The Truth About Deception" and a journalism professor at New York University. She maintains an online database of examples of deception in journalism culled from nearly 200 years of undercover reporting.  She spoke with Brooke about the considerations journalists should make when going uncover. 

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