Chicago's overall crime rate fell last year to a level not seen since 1972, and the number of shooting incidents involving victims 16 and younger dropped 40 percent in 12 months, city officials say.

Some believe the decline is a result of spending more than $100 million on police overtime. But city officials insist the numbers are evidence that changing police tactics and creating and expanding after-school jobs and mentoring programs for young people are paying off.

(READ the AP story from NPR)