Dave Cullen is the author of the New York Times bestsellers Columbine and Parkland. He has contributed to The New York Times, Vanity Fair, The Atlantic, Politico, The Guardian, The Times (London), The New Republic, The Washington Post, BuzzFeed, Salon, and others. Columbine made Slate's best nonfiction of the quarter century list, and the Los Angeles Times's of the best nonfiction of the last thirty years. It has been translated into nine languages. Cullen has appeared on dozens of major network and cable news shows. He lives in Chicago.