Detective Mark Williams (right) speaks with an officer in Richmond, Va. A decade ago, amid a surge in violent crime, Richmond police were identifying relatively few murder suspects. So the police department refocused its efforts to bring up its "clearance rate." Alex Matzke for NPR hide caption

itoggle caption Alex Matzke for NPR

In December, New York Mayor Bill de Blasio met with youth offenders at alternative housing on Rikers Island. A new state proposal would spare teens younger than 18 from serving time in adult prisons. Susan Watts/ASSOCIATED PRESS hide caption

itoggle caption Susan Watts/ASSOCIATED PRESS

A postman has been accused of stealing credit cards, Netflix movies and other items. The U.S. Postal Service says a search of Jeffrey L. Shipley's home found his apartment had bags of mail in it. Ivana Starcevic/iStockphoto hide caption

itoggle caption Ivana Starcevic/iStockphoto