The United States continues to suffer from high unemployment but amid the poor state of the economy, a surprising trend has emerged.<br /><br />The volume of violent crime typically associated with joblessness is down in several major US cities, despite strained law enforcement resources.<br /><br />Los Angeles and New York City, for example, have hit a 40-year low in recorded murders.<br /><br />Criminologists attribute the success to an aggressive and high-tech approach to targeting gangs.<br /><br />Al Jazeera's Tom Ackerman reports. (Apr 25, 2010)
