Hajnal’s research has been detailed in a range of print outlets. These include the New York Times, the Washington Post, the Wall Street Journal, the Economist, the Atlantic, and the New Republic, CNN, the Los Angeles Times, the Wall Street Journal, The Guardian, International Herald Tribune, Al Jazeera, The Globe and Mail Der Spiegel, Die Welt, VOX, FiveThirtyEight, ThinkProgress, Slate, National Journal, Boston Review, Atlanta-Journal Constitution the San Diego Free Press, the San Francisco Chronicle, San Diego Union Tribune, and Political Violence at a Glance.