"We've got to do better as a society," Pennsylvania Gov. Josh Shapiro said at a news conference following Wednesday's attack.

Three law enforcement officers were killed and two others were injured on Wednesday in a shooting in the Codorus Township, Pennsylvania, State Police Commissioner Christopher Paris said.

The shooter is also dead, Paris told reporters in a press conference.

Mississippi police on Wednesday awaited autopsy results for a Black student found hanging from a tree at Delta State University, in a case that has ignited strong emotions in a state with a history of racist violence.

“We cannot accept vague conclusions when so many questions remain,” Crump said in a statement. “I stand with this family, and I will lead a team of civil rights leaders and organizations in pursuing ...