The 19-year-old will be sentenced to life without parole for the state charges. He faces an additional 27 charges at the federal level, one of which carries a possible death sentence.

NPR's Scott Simon notes how common mass shootings have become in the U.S., and asks how this violence affects how we think about our everyday lives.

The store supervisor who fatally shot six coworkers apologized for what he was about to do while simultaneously blaming others for mocking him.

The New York attorney general's office said it reviewed thousands of pages of documents and social media content to study how the suspect used online platforms to plan and publicize the mass shooting.

The suspect expressed admiration for Elliot Rodger, the gunman who killed six people and injured 14 others in Isla Vista in May 2014, according to the DOJ.

In a statement to NPR, a spokesperson for the New York State Unified Court System said the defense has "neither filed a notice nor requested an extension to do so."

The white gunman has been held without bail since his arrest after the May 14 shooting that killed 10 Black people and injured three others.

A mass shooting at a tavern in Johannesburg's Soweto township has killed 14 people and left three others in critical condition, according to police.

The 21-year-old suspect made music videos about shootings, and apparently posted thousands of times to a message board dedicated to sharing graphic photos and videos of violence.

Lake County State's Attorney Eric Rinehart says he expects dozens more charges to be filed against the suspect. Here's what else we know as of midday Tuesday.

Tuesday on Political Rewind: The team is back with a live show. The Fourth of July brought out some of the best and worst realities of our country. A mass shooting in Highland Park, Ill., turned a joyous celebration into a scene of carnage. Meanwhile, candidates on the November ballot show no signs of slowing down over the holiday. 

Police are investigating the shooting as a possible terrorist attack during the Norwegian capital's annual Pride festival. Investigators said a suspect was arrested.

Speaking at the White House, Biden sought to drive up pressure on Congress to pass stricter gun limits after such efforts failed following past attacks.

Nine-year-old Aubriella Melchor said she narrowly escaped the slaughter because she'd been in the bathroom. At a gas station, Christian bikers joined the girl and her mother to pray.

NPR's Scott Simon remarks on what has become a never-ending parade of mass shootings in the U.S., and the lack of effort over the years to address them.