Pastor Chris Beard of Peoples Church in Cincinnati and his wife, Jan. "I've had sinful thoughts, racist thoughts in my own heart that I've had to come to terms with," he says. Renae Denbow/Peoples Church hide caption

itoggle caption Renae Denbow/Peoples Church

This undated photo provided by the Harris County Sheriff's Office on Saturday shows Shannon J. Miles. Prosecutors in Texas are charging the 30-year-old man with capital murder in the killing of Darren Goforth, a sheriff's deputy who was gunned down from behind while filling up his patrol car at a suburban Houston gas station. AP hide caption

itoggle caption AP

A screen grab shows the Twitter page of Bryce Williams, whose real name is Vester Lee Flanagan II, who police say fatally shot WDBJ-TV cameraman Adam Ward and reporter Alison Parker during a live broadcast early Wednesday. After the attack, Flanagan reportedly sent a fax to ABC News. AP hide caption

itoggle caption AP

Tres hermanas- "Three Sisters", Cuajinicuilapa, Guerrero, Mexico, 1986. Tony Gleaton/Courtesy The Tony Gleaton Photographic Trust, All Rights Reserved hide caption

itoggle caption Tony Gleaton/Courtesy The Tony Gleaton Photographic Trust, All Rights Reserved

Butler County Sheriff Richard Jones stands next to a illegal aliens sign he had placed in the parking lot of the Butler County Sheriff's Department, Nov. 3, 2005, in Hamilton, Ohio. David Kohl/AP hide caption

itoggle caption David Kohl/AP

Scenes from Ferguson, Mo., in August 2014, captured by some of the reporters I spoke to for this story. Courtesy of Trymaine Lee, Wesley Lowery, Gene Demby and Yamiche Alcindor hide caption

itoggle caption Courtesy of Trymaine Lee, Wesley Lowery, Gene Demby and Yamiche Alcindor