Leland Gregory is the two-time New York Times bestselling author of Stupid American History and America's Dumbest Criminals and is a former writer for Saturday Night Live . He has authored more than thirty books, including Stupid History, The Stupid Crook Book , and What's the Number for 911? , and has contributed to such publications as Reader's Digest, George , and Maxim . Katie Couric called him the "chronicler of Stupid America," and Matt Lauer called him "a lunatic." He lives in Nashville, Tennessee.