2010 study by Harvard’s Berkman Center on the frequency and type of Internet attacks on targeted groups.
2002 study published in the American Journal of Public Health on the relationship between firearm-ownership rates and homicide rates.
2011 study by the Migration Policy Institute on the state and local enforcement of the federal 287(g) section of the U.S. Immigration and Nationality Act.
2010 study in the Proceedings of the National Academy of Sciences on the relationship between childhood self-control and its consequences later in life.
2009 RAND Corporation study on the disparities between Latino and African-American males and their white counterparts in California.
2009 Duke University and the University of Maryland study looking at school characteristics that influence the level of crime.
2010 RAND Corporation paper on the estimates of the cost of crime, the effectiveness of police force in combating it, and potential benefits of investments in enforcement.
2009 National Bureau of Economic Research paper on the relationship between early exposure to violence and later problems such as substance abuse and delinquency.
2008 review by the Harvard Family Research Project of available research on the relative benefits and required factors for success of after-school programs.
2005 Imperial College London review of the available scholarship on the impact of red-light cameras on automotive crashes.