When Jon Ronson discovers a Twitter account pretending to be him, he sets off to find it's creators.

Jon Ronson is a British nonfiction author, documentary maker and screenwriter. His books, Them: Adventures with Extremists, The Men Who Stare At Goats, The Psychopath Test, and Lost At Sea, have all been international bestsellers. He's a regular contributor to the PRI show This American Life, and has appeared at TED, and on The Daily Show. His new book, “So You’ve Been Publicly Shamed” is available now.

This story originally aired on April 9, 2015.