Survivors and family members from several mass shootings gathered on Capitol Hill to advocate for a federal assault weapons ban.

Teachers and school administrators allegedly saw warning signs exhibited by Ethan Crumbley as early as August 2021, months before the Oxford School shooting.

Ashbey Beasley, a survivor of a shooting on July 4 in Highland Park, Illinois, discusses her experience and how she's advocating for tighter gun control.

A man who shot and wounded two southern Indiana judges outside an Indianapolis fast food restaurant in 2019 has been convicted on seven of eight felonies and one misdemeanor

A Michigan man charged in a New Year’s Eve shooting at a West Virginia bar that wounded seven people has pleaded guilty to a federal gun crime

Michael Carneal, who in 1997 fatally shot three classmates and wounded another five, said he feels responsible for school shootings that have followed.

A group of people shot into a home in a small southwestern Michigan city, killing two teenagers and injuring three others inside

Michael Carneal, who in 1997 fatally shot three classmates and wounded another five, said he feels responsible for school shootings that have followed.

Authorities say a gunman shot three people, including two first responders, at the Tri-State Fair & Rodeo in Texas before he was shot and wounded by sheriff’s deputies

A Kentucky man who killed three students and injured five more in a 1997 school shooting has a chance at parole this week

In December 1997, Michael Carneal opened fire on his fellow students during a morning prayer meeting at a Kentucky high school, killing three and wounding five more

Family, friends, fans and hip-hop stars are mourning the tragic death of rapper PnB Rock, who was shot and killed during a robbery in South Los Angeles. He was 30.

A 12-year-old boy who police say wounded a fellow student last month at an Oakland school after accidentally firing a gun he brought to campus has been charged in the case

Philadelphia rapper PnB Rock, 30, was fatally shot Monday afternoon during a robbery at Roscoe's Chicken & Waffles in South Los Angeles, sources told ABC News.

This was a suspected gang-related shooting, the Texas Department of Public Safety said.

This was a suspected gang-related shooting, the Texas Department of Public Safety said, adding that it was working with the police department and sheriff's office.

A 19-year-old man who went on a shooting rampage through Memphis has been arrested after killing at least four people and leaving three injured, police say.

Three others were injured and the suspect is in custody.

Officials say a man has been arrested in a weekend shooting in Minnesota’s capital city that left three people dead and two others wounded

A young man who went on an hourslong shooting rampage around Memphis, Tennessee, gunning down at least four people, was arrested on Wednesday night, police said.

A 19-year-old man, who police said went on a deadly shooting spree through the city, killing at least four people and injuring three others, is in custody.

ABC News' Mireya Villarreal spoke with survivors and victims' family members of school shootings about the day their lives changed and how they find ways to heal as the school year gets underway..

A shooting in Norfolk, Virginia, on Sunday has left two people dead and five others injured, authorities confirmed.

The suspect took out a gun and started shooting after a fight broke out at a party in Norfolk, Virginia, police said.

Police say two people were killed and five others were injured in a shooting in Norfolk, Virginia

The shooting occurred Saturday evening at a 7-Eleven store in Capitol Heights, Maryland, according to police.

A shooting in downtown Charleston, South Carolina, on Sunday has left five people injured, according to the Charleston Police Department.

A 15-year-old boy was killed and three other people were injured when at least two gunmen opened fire on them inside a 7-Eleven store in Capitol Heights, Maryland.

Officials say two people were fatally shot and several others injured in a confrontation among a group at a supper club in northeast Florida

An Associated Press analysis found many U.S. states barely use “red flag” laws that allow police to take guns away from people threatening to kill, a trend blamed on lack of awareness of the laws and a reluctance to enforce them even as gun deaths soar

Many states barely use “red flag” laws that allow police to take guns away.

Four people have been killed, including a former mayor, in an attack on a soccer field in central Mexico

Mass shooting victims make up about 1% of those killed in gun homicides.

An eastern Indiana police officer shot in the head during a traffic stop has been taken off life support but her department said she remained alive with vital signs that were stable

The 19-year-old suspect has no criminal history, police said.

A 19-year-old man has been charged with first-degree murder in a series of apparently random shootings over roughly two hours last weekend in Detroit that left three people dead and a fourth wounded

Police say a school shooting in east Oakland that wounded a 13-year-old boy and left another youngster in custody wasn’t intentional

An employee who attempted to disarm a gunman was among the victims of a deadly shooting inside a Safeway supermarket in Oregon on Sunday evening, police said.

The gunman was a loner who was known for getting into fights.

An employee who attempted to disarm the gunman was among the victims of a deadly shooting inside a Safeway supermarket in Bend, Oregon.

Officers in Bend, Oregon, said a gunman killed two people inside a Safeway supermarket Sunday before taking their own life.

A 12-year-old boy is being held on suspicion of shooting and wounding a student at a school in east Oakland, California

A 5-year-old boy and a 17-year-old boy were killed and an 18-month-old was injured in a drive-by shooting in Fort Worth, Texas, police said.

One year after 8-year-old Fanta Bility was fatally shot by police in Sharon Hill, Pennsylvania, her family is grieving her loss and fighting for justice.

A gunman allegedly killed three of his neighbors in Houston after setting fire early Sunday to multiple residences to lure the victims into an ambush, police said.

A search is underway for a suspect who shot four randomly selected victims over the span of 2 hours and 25 minutes on Sunday morning in Detroit, police said.

Detroit police say a man suspected of randomly shooting four people, three fatally, on the city's west side has been arrested

A man fatally shot three people after he allegedly set fire to multiple residences to lure the victims outside in a southwest Houston neighborhood, police said.

Multiple people were shot, one fatally, at one of New York City's most popular summer destinations -- the Coney Island boardwalk in Brooklyn, authorities said.

Three Dutch soldiers were shot outside a hotel in the heart of the entertainment district In Indianapolis, authorities say they were in the U.S. for training.