[USA] The Cost of Violence in the United States / Department of Health and Human Sciences. Center for Disease Control and Prevention, 11 July 2007 http://www.cdc.gov/ncipc/factsheets/CostOfViolence.htm
"The total costs associated with nonfatal injuries and deaths due to violence in 2000 were more than $70 billion. The estimates reported here provide evidence of the large health and economic burden of violence in the United States."