Ozomatli celebrates its Best Latin Rock/Alternative Album win at the Grammys in 2002. Vince Bucci/Getty Images hide caption

itoggle caption Vince Bucci/Getty Images

Los Angeles police and FBI agents process detained suspected gang members outside the Sport Arena parking lot in Los Angeles in October 2009. The city's crime rate is at an all-time low, in part because the troublemakers have either been locked up — or have turned into interventionists to help put a dent in crime. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP

A bicyclist rides down the street during this year's Bike to Work Day in San Francisco. Events such as this promote biking as a viable form of commuting, but tensions between cyclists and drivers persist. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Tito Jackson, Jermaine Jackson, Jackie Jackson and Randy Jackson attend Michael Jackson's funeral service held at Glendale Forest Lawn Memorial Park on Sept. 3, 2009 in Glendale, Calif. The Jackson Family, Harrison Funk/AP hide caption

itoggle caption The Jackson Family, Harrison Funk/AP