Dallas police shooting

Police academy trainees say when a gunman targeted and killed law enforcement officers during a peaceful protest in their city in July, it strengthened their resolve to become officers.

Three weeks after authorities identified Micah Johnson as the shooter who killed five police in Dallas, the military has released new details about his strange behavior while serving in Afghanistan.

It's a difficult day for law enforcement officers after the killings of police in Dallas and Baton Rouge, La. For many officers, tensions are high and morale is low.

Speaking to the NAACP annual convention, Clinton spoke of bringing "the full weight of the law" against those who kill officers and confronting racial bias.

Brian Williams, a trauma surgeon who treated some of the Dallas police officers who were ambushed during a recent protest, acknowledged sadness over the attack and his own fear of the police.

Honoring the five officers who were killed last week, the president spoke about strains on police and race relations. Former President George W. Bush also called for unity.

"We're doing ours. We're putting our lives on the line," Chief David Brown said during a press conference, where he also touched on race and the decisions made during the standoff with the shooter.

Law enforcement officials briefed on the investigation have identified the gunman killed in Dallas as Micah Xavier Johnson. The Pentagon says Johnson was a military veteran who served in Afghanistan.

This presidential election, people are choosing someone they can put their faith in when terrible events inevitably happen.

Twelve law enforcement officers were shot in downtown Dallas on Thursday; five were killed. Here are the names of those whose lives were lost — and their stories.