Police arrest a woman in Ferguson, Mo., protesting the shooting death of Michael Brown. Most officers in Ferguson and nearby Jennings are white, but the neighborhoods they police are predominantly African-American. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images

Danny Done, 26, worshipful master of the Queen Anne Masonic Lodge in Seattle. The fraternity is "a really interesting social network that's not online," he says. Martin Kaste/NPR hide caption

itoggle caption Martin Kaste/NPR

Some attendees at Michael Brown's funeral Monday in St. Louis wore ties and buttons depicting the 18-year-old, who was killed two weeks ago in Ferguson, Mo. Robert Cohen/AP hide caption

itoggle caption Robert Cohen/AP

Many residents of Ferguson, Mo., would like to see the police wear video cameras, like this one worn by a Los Angeles police officer. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP

A memorial for Eric Garner rests on the pavement near the site of his death. The poster on the ground quotes Garner; video of the arrest shows him telling police officers he couldn't breathe, shortly before he lost consciousness. John Minchillo/AP hide caption

itoggle caption John Minchillo/AP

The Lafayette Parish Correctional Center in downtown Lafayette, La. By most counts, Louisiana has the highest incarceration rate in the country, but sentencing reformers have loosened some of the state's mandatory minimum sentences and made parole slightly easier to get. Denny Culbert for NPR hide caption

itoggle caption Denny Culbert for NPR