A man suspected of shooting his 6-month-old son multiple times after taking the boy and his mother hostage was found dead of an apparent self-inflicted gunshot wound in the rubble of a suburban Phoenix home that caught fire during a SWAT standoff

U.S. Air Force Senior Airman Roger Fortson, 23, was in his home when he was shot by a Florida deputy on May 3.

Slovakia Prime Minister Robert Fico is in "life-threatening" condition after being shot in an assassination attempt on Wednesday, according to government officials.

An Ohio police officer investigating a call of a disturbance at a home was fatally shot Saturday night in what authorities described as an "ambush."

Authorities are searching for Deshawn Anthony Vaughn, who is suspected of fatally shooting Officer Jacob Derbin, who was responding to a disturbance call in Euclid, Ohio.

Three Atlanta police officers were shot while responding to a call Saturday afternoon, officials said.

The killing of a Black U.S. Air Force senior airman by a Florida sheriff's deputy responding to a phoned-in complaint about an argument has the airman's family calling for charges, saying the shooting was completely unjustified

Police charged John Shadbar with hate crime and attempted murder for what prosecutors say was a racially motivated shooting of his neighbor in Illinois.

A Black U.S. Air Force airman was fatally shot in his apartment by a Florida deputy who identified himself as law enforcement. The incident was captured on police body camera footage.

Five family members, including three children under 10, were shot at a residence in San Antonio, Texas, Wednesday night. A 4-year-old girl has since died.

Witnesses said the alleged gunman shot the victim multiple times, then barricaded himself in his home, according to the Wills County Sheriff’s Office.

Alabama investigators examined the sedan Tracie Hawlett and J.B. Beasley were driving in July 1999. When they opened the trunk, they found the teens inside with gunshot wounds to their heads.

According to the Associated Press, an Okaloosa County sheriff's deputy shot and killed an airman from the U.S. Air Force's Special Operations Wing at Hurlburt Field, Florida.

A gunman riding a bicycle shot a teen boy in the head, killing him in the New York City Soho area Tuesday, police said.

A church's livestream captured the terrifying moment when a man pointed a gun at a pastor and allegedly tried to shoot him during Sunday service at a church outside of Pittsburgh, police said.

A church service in Pennsylvania came to a terrifying halt on Sunday when authorities say a man pulled a gun on the pastor.

A 14-year-old girl was killed and five other teenagers were injured when a shooting erupted Saturday night in a parking lot in Buffalo, according to police.

About seven people were injured in a shooting in Long Beach, California, late Saturday, police said.

Authorities say 14-year-old student was shot and killed by police while holding a pellet gun.

A 17-year-old girl was grazed by a bullet while in a second-floor classroom. She suffered minor injuries and was taken to the hospital.

The conditions of the victims have not been released, and police did not immediately respond to messages for comment on Thursday.

At least six people ranging between the ages of 3 to 19-years-old have been shot at an apartment complex in Fort Worth, Texas, police say.

A 14-year-old suspect is dead following a confrontation with police Wednesday after an active shooter was reported outside a Wisconsin middle school.

A 14 year old suspect died in a confrontation with police after being reported as an active shooter outside a Wisconsin middle school. The teen was carrying what appeared to be a long gun.

An emergency alert sent out by the Dane County Sheriff's Office near Madison, Wisconsin, warned of a reported active shooter with a long rifle.

In an emotional press conference, the Charlotte police chief said "I can't tell you how much I'm grateful for these officers and their heroic act."

Authorities recovered an AR-15 rifle and .40-caliber handgun from the scene where four law enforcement officers were fatally shot in Charlotte, police said.

Law enforcement officers were trying to serve a warrant in a residential neighborhood in Charlotte, North Carolina, and were met with gunfire.

State prosecutors say they will not seek to retry 75-year-old George Alan Kelly, the Arizona rancher accused of fatally shooting an unarmed migrant.

The family of Ralph Yarl filed a civil lawsuit against Andrew Lester, the man who shot and injured the teen after he accidentally arrived at the wrong house.

The family of Ralph Yarl, the teen who was shot after mistakenly going to the wrong house to pick up his siblings last year, announced a new civil lawsuit in the case.

A Michigan dad was charged with violating the state's safe gun storage law after his son allegedly got a hold of his firearm and shot himself, investigators said.

"Those children were hunted down," police said.

This week marks 25 years since two seniors at the Colorado high school killed 12 students and a teacher.

ABC News' Ike Ejiochi has the latest on the investigation into the shooting of an 18-year-old woman on the campus of Delaware State University.

The officer, a six-year veteran of the CPD, was shot multiple times, police say.

Police said hundreds of people attended the block party.

Andrea Ye, of Rockville, Maryland, whose preferred name is Alex Ye, was arrested after law enforcement was alerted to a 129-page "memoir" he allegedly wrote

Twenty-five years after Columbine, school shootings continue to increase.

Two people were killed and 6 others were injured after gunfire erupted at a block party in Memphis, Tennessee.

Five Maryland teens between the ages of 16 and 18 were shot during a senior skip day gathering in the park. ABC News' Phil Lipof reports.

Five teenagers were shot after gunfire rang out at a large gathering of high school students taking part in a senior skip day in Maryland, police said.

The suspect is an 18-year-old high school student in Maryland who police say, wrote a 129-page "manifesto" with attack plans.

Fred Guttenberg, who lost his daughter Jamie in the 2018 school mass shooting, speaks with ABC News' Rachel Scott about his push for more gun control.

The tragic events at Columbine High School in 1999, when 12 students and one teacher died in a mass shooting, marked a turning point for America.

A documentary premiering on April 18 will cover the first involuntary manslaughter convictions for parents of a school shooter.

At least five people have been injured in a shootout involving teenagers gathered for senior ditch day in Greenbelt, Maryland, said police Chief Richard Bowers.

ABC News’ Morgan Norwood met with three people directly impacted by the Columbine High School shooting to reflect on 25 years of grief, healing and the path to turning pain into meaningful purpose.

A teenager was arrested after investigators said they found writings where he described a plan to shoot up his former schools.

At least 415 people have been killed in school shootings since the massacre at Columbine High School in 1999, according to the gun violence archive.