Jack Levin is the Irving and Betty Brudnick Professor of Sociology and Criminology at Northeastern University. He has authored or coauthored a number of books, including Elementary Statistics in Social Research, The Functions of Prejudice, Gossip: The Inside Scoop, Hate Crimes: The Rising Tide of Bigotry and Bloodshed, and Overkill: Mass Murder and Serial Killing Exposed. Levin's work has appeared in professional journals, including Youth & Society, Criminology, The Gerontologist, and Sex Roles, as well as in the New York Times, the Boston Globe, the Dallas Morning News, the Chicago Tribune an...