One police officer has been shot and killed and two others wounded after a shooting in Dallas, authorities have confirmed.

Shaun Brady, owner of Brady & Fox, was shot and killed while taking out the trash on Wednesday.

A female student at Texas' Rice University was shot and killed on Monday by a man authorities said she had been in a "dating relationship" with.

Joseph DeLucia Jr., 59, fatally shot his two sisters, brother and niece before killing himself on Sunday in Syosset, New York, according to police.

A woman who was shot in the leg at a White Sox game is suing the team as well as the Illinois agency that owns Guaranteed Rate Field

Americans impacted by mass shootings shared their heartrending stories at the Democratic National Convention in Chicago.

A new report by an independent commission concluded there were missed opportunities over the course of months to prevent gunman Robert Card from killing 18 and wounding 13 others last October.

A Virginia man is in critical condition after being shot by a 2-year-old, police said.

Delegates at the Democratic National Convention approved their platform Monday night and made efforts to curb gun violence a top priority.

Three family members were shot, including two fatally, near a courthouse in Kentucky they attended a hearing on an emergency protective order, officials said.

One man was killed and seven others injured in a shooting in Baltimore late Sunday night.

One man was killed and seven others injured in a shooting in Baltimore late Sunday night.

Authorities say first responders were met by a hail of gunfire when they responded to a domestic call.

Police said Deputy Brandon Cunningham was killed after he and another deputy responded to a home after receiving reports of a domestic dispute.

Brandon Cunningham was a 30-year-old father of two.

A Georgia sheriff’s deputy was shot and killed while responding to a reported domestic dispute in what police say was an ambush on officers by a suspect who took his own life

Multiple people have been shot near U.S. Air Force Joint Base San Antonio-Lackland after rival gangs appeared to open fire on one another Saturday.

Air Force security guards officers fired at multiple active shooters near Joint Base San Antonio on Saturday morning.

A former Washington, D

A Michigan man is accused of fatally shooting his neighbor after getting into an argument with the father of two, officials said.

A jury seated on Monday in the trial of Susan Lorincz, the Florida woman charged for fatally shooting her neighbor Ajike Owens, a Black mother of four, in Ocala.

Ten years after Michael Brown Jr., 18, was fatally shot by former Ferguson, Missouri, police officer Darren Wilson, no one has been criminally charged for his death.

Two other deputies were wounded, in what authorities say was an ambush when they arrived to investigate a potential disturbance at a home.

Deputies were responding to a report of a disturbance when they were ambushed.

A 43-year-old man on his way to evening prayers at a Philadelphia mosque on Tuesday was shot multiple times and killed, police said.

The victim was found lying in the parking lot of the mosque suffering from multiple gunshot wounds, police said.

One of the drivers, who shot first, had his two young children in the car.

Two people were killed and five others were hurt in a shooting at an upstate New York park on Sunday, authorities said.

Two women were killed and five other people injured following a shooting at a barbecue in Maplewood Park in Rochester, New York.

The coroner released the autopsy of Sonya Massey, the Illinois woman fatally shot by a deputy while responding to her 911 call, on Friday and stated she died by homicide.

The coroner's report released Friday concluded Sonya Massey's death at the hands of a sheriff's deputy was a homicide and she was shot in the head.

The conditions of the three workers who were shot are currently unknown.

A 28-year-old high school coach was “randomly shot and killed” standing on a rooftop bar while she was in town for a conference, police said.

A 28-year-old man who was wounded in a mass shooting that broke out at a West Philadelphia party early Sunday has been arrested and accused of being one of the shooters.

A postal worker was fatally shot in front of a residence in Chicago on Friday, officials said.

Three people were shot and killed at a party in Philadelphia early Sunday, police said.

The suspect allegedly killed the 48-year-old Chicago postal worker Octavia Redmond while she was in front of a home.

A manhunt is underway for the suspect who shot and killed a postal worker on the South Side of Chicago. Authorities say the letter carrier was gunned down in front of a home.

The crash on Friday took place near the intersection of North Oak Street and West Carlisle Avenue in Spokane, police said.

Two were killed and two others -- including a toddler -- were injured in a shooting in broad daylight in Washington, D.C., authorities said.

Three men are at-large after a shooting in Washington, D.C., Thursday morning.

Law enforcement tells ABC News a local police officer was on the roof of the building and confronted the shooter seconds before he opened fire on former President Donald Trump.

Presidential historian Mark Updegrove speaks to ABC's Linsey Davis about past shootings targeting political figures.

Authorities in Houston have charged a suspect with capital murder in the shooting death of an off-duty deputy overnight, a sheriff's official said Thursday evening.

The incident started when Harris County deputies responded to an aggravated assault at a Little Caesars pizza shop, Harris County Sheriff's Office Chief Deputy Mike Lee told reporters.

The mother of Michael Brown, who was shot and killed by a Ferguson police officer in 2014, urged a commission to review the case in a public hearing on Wednesday.

Charlotte-Mecklenburg police are offering a $10,000 reward for information in the string of shootings on Tuesday morning.

Police in Charlotte, North Carolina, are asking the public to help them solve a string of seemingly connected shootings.

The Young3, the community outreach division of the 3-on-3 basketball league BIG3, looks to uplift inner city communities the league visits this summer.

More than 100 people were shot -- 19 fatally -- over the July 4 holiday weekend in Chicago, according to police.