Friday's top 5 headlines: what you should know

The Dallas shooting suspect was identified as Micah Xavier Johnson, 25, a resident of the Dallas area. Johnson was a military veteran who'd served in Afghanistan. President Barack Obama said Friday that America is "horrified" by what appears to be a planned sniper shooting targeting police officers in Dallas, and he said there is no justification for the violence. The U.S. State Department is restarting its investigation into Hillary Clinton’s handling of classified material while secretary of state. Clinton learned this week she will not face criminal charges. A woman accusing Bill Cosby of sexual assault will not have to testify at a preliminary hearing before trial, a judge ruled Thursday, a move blasted by the comedian’s legal team. Ten states sued the federal government Friday over rules requiring public schools to allow transgender students to use restrooms conforming to their gender identity, joining a dozen other states in the latest fight over LGBT rights.