A young woman pays her respects at a memorial in front of Robb Elementary School earlier this monthin Uvalde, Texas. Committees have begun inviting testimony from law enforcement authorities, family members and witnesses regarding the mass shooting at Robb Elementary School which killed 19 children and two adults. Brandon Bell/Getty Images hide caption
Police respond to an attack on a King Soopers grocery store in Boulder, Colo., where a gunman opened fire Monday. Ten people, including a police officer, were killed. Chet Strange/Getty Images hide caption
A shooting at Naval Air Station Pensacola on Friday ended with the shooter's death, the Navy says. Josh Brasted/Getty Images hide caption
Scott Israel listens to comments by his attorney at a news conference in January 2019. Florida Gov. Ron DeSantis suspended Israel over his handling of last year's massacre at Marjory Stoneman Douglas High School. Florida Senate special master Dudley Goodlette is recommending that Israel be reinstated. Wilfredo Lee/AP hide caption
Police secure the area following a mass shooting at the Henry Pratt Co. in Aurora, Ill., on Friday. A gunman killed five people and wounded five police officers before being fatally shot by police. Scott Olson/Getty Images hide caption
The body of Chicago police Officer Samuel Jimenez, who was killed in the shooting at Mercy Hospital, was escorted Monday evening to the office of the medical examiner in Chicago. Kamil Krzaczynski/AFP/Getty Images hide caption
Police officers respond to a shooting at the Capital Gazette newsroom in Annapolis, Md., on Thursday. Greg Savoy/Reuters hide caption
Police officers line the street outside a suspect's home in Redlands, Calif., on Wednesday. Law enforcement officers in San Bernardino killed two people suspected of killing 14 people and wounding 17 others in a shooting at the Inland Regional Center earlier on Wednesday. Mario Anzuoni/Reuters/Landov hide caption