Gun violence has sharply declined in California's Bay Area. What happened?

Girls Court brings an all-hands-on-deck approach to the lives of vulnerable girls, linking them to social service agencies, providing informal Saturday sessions on everything from body image to legal jargon, and offering a team of adults in whom they can develop trust.

The use of a gun in a violent crime can carry a penalty of 30 years or more in prison. High Point, NC, has been using call-ins for 16 years - a carrot-and-stick approach aimed at reducing violent crime and drugs in the city.

A new juvenile justice center in Wyoming begins the movement to bring greater technological advancements to the education of the girls living there. The Wyoming Girls' School provides them with the state of the art tools they need to not fall behind while they fulfill their sentence.

Colombia has attempted to decrease murder and homicide rates by setting up curfews for teenagers, forcing bars to close earlier in the evening, and creating gun laws to prevent the carrying of weapons. As a result of this epidemiological, data-driven approach, along with other governmental factors, the homicide rate has decreased significantly in most of the cities in which it was implemented.

U.S. courts are offering war veterans who face jail time the choice of rehabilitation. This helps them adjust to civilian life and reduces repeat offences.

For first-time youth criminal offenders, the traditional American jury falls short in encouraging behavioral change and may even set the juvenile on a course for repeated crimes. Washington, DC’s Youth Court is a jury that tries juveniles for minor non-violent offenses and offers peer pressure to prompt positive behavioral change. The DC Youth Court is one of many in the United States that reduces crime and future court costs.

Civic leaders in the U.S. struggle to effectively help their distressed neighborhoods. East Lake, Atlanta, created a replicable model that mixes residents of differing socio-economic status, and focuses on education and health in the area.

In Clayton County, Georgia, the Second Chance Court is using a different tactic to give offenders the opportunity to move forward. The program, started in 2010, allows selected teens to attend counseling and classes – often with their parents – centered around self improvement and appropriate behavior. Collaborating with a community organization, the Second Chance Court has been able to reduce recidivism in youth.

South Dakota’s “24/7 Sobriety” initiative breathalyzers tens of thousands of people every day in an effort to curb drunk driving. Rather than legislation that takes penalizes offenders by taking away their license, the state addresses the behavioral issue instead. In counties that use the “24/7 Sobriety,” they’ve seen a 12% decrease in repeat drunken-driving arrests.

A program in Philadelphia is pioneering new ways to treat the urban wounded. By seeing it as PTSD, and not pointing fingers, the city is using mental health tools to decrease violence and heal communities.