Jack Levin, PhD, is the Brudnick Professor of Sociology and Criminology at Northeastern University in Boston, where he co-directs its Center on Violence and Conflict and teaches courses in the sociology of violence and hate. He has authored or co-authored 30 books, including Mass Murder: America’s Growing Menace, Why We Hate, The Functions of Prejudice, Hate Crimes Revisited, The Will to Kill: Making Sense of Senseless Murder, Domestic Terrorism, Serial Killers and Sadistic Murderers Up Close and Personal, and The Violence of Hate. Dr. Levin has published more than 150 articles in professional journals and newspapers, such as The New York Times, Boston Globe, Dallas Morning News, Philadelphia Inquirer, Christian Science Monitor, Chicago Tribune, Washington Post, and USA Today. He appears frequently on national television programs, including 48 Hours, 20/20, Dateline NBC, The Today Show, Good Morning America, Oprah, The O’Reilly Factor, Larry King Live, and all network newscasts. Dr. Levin was honored by the Massachusetts Council for Advancement and Support of Education as its Professor of the Year. He has spoken to a wide variety of community, academic, and professional groups, including the White House Conference on Hate Crimes, the Department of Justice, the Department of Education, OSCE’s Office for Democratic Institutions and Human Rights (a membership of 59 countries) and the International Association of Chiefs of Police.