Demonstrators gather outside the City County Building in Indianapolis on Monday, calling for the state House to roll back the controversial Religious Freedom Restoration Act, which critics say can be used to discriminate against gays and lesbians. Aaron P. Bernstein/Getty Images hide caption

itoggle caption Aaron P. Bernstein/Getty Images

After a car attempted to crash a gate outside the NSA Monday morning, Maryland state police blocked the freeway entrance that accesses the agency's headquarters in Fort Meade, Md. Patrick Semansky/AP hide caption

itoggle caption Patrick Semansky/AP

Indiana Senate President Pro Tem David Long (left) and House Speaker Brian C. Bosma, both Republicans, discuss their plans for clarifying the Indiana Religious Freedom Restoration Act during a news conference today at the Statehouse in Indianapolis. Michael Conroy/AP hide caption

itoggle caption Michael Conroy/AP

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

Retired agent Michael Vigil on a search and destroy operation in the Colombian jungle. "As an undercover, you're basically kind of an independent operator ... and it's very addictive." says Laura Brodie, a criminal and forensic psychologist. Courtesy Michael Vigil hide caption

itoggle caption Courtesy Michael Vigil