At issue is whether a key piece of one of America's most popular firearms meets the definition of a gun that prosecutors have long relied on.
Attorney General William Barr announced Monday that the shooter at the Pensacola, Florida, navy base was "motivated by jihadist ideology."
Gov. Greg Abbott will present Governor’s Medal of Courage to the man responsible for stopping a gunman who killed two people in a North Texas church.
A student and teacher were killed at an elementary school in northern Mexico Friday, when the 11-year-old opened fire on his teacher and classmates with two guns, authorities said.
Mark Gillespie, former federal agent and certified active shooter survival training instructor, joins Marcel Clarke to discuss what people should do in an active shooter situation.
Gov. Greg Abbott attended the funeral on Thursday for one of the victims from Sunday's deadly church shooting in White Settlement.
Jones is being sued for defamation in Texas by the parents of a 6-year-old who was among the 20 children and six adults killed in the 2012 Sandy Hook school shooting in Newtown, Conn.
Two men were killed when the gunman opened fire at West Freeway Church of Christ in White Settlement, as more than 240 parishioners were inside. Within seconds, he was shot to death by two congregants who fired back.
A database compiled by The Associated Press shows there were more mass killings in 2019 than any year dating back to at least the 1970s, punctuated by a chilling succession of deadly rampages during the summer.
Greg Zanis has memorialized Chicago shooting victims. He's also crisscrossed the country by pick-up delivering over 27,000 crosses to victims of mass shootings, tornadoes and wildfires.
A Southern California man has been arrested after posting graphic YouTube videos shot at a downtown San Diego hotel in which he appears to be practicing for a mass shooting with assault-style weapons.
The Saudi student who fatally shot three people at a U.S. naval base hosted a dinner party beforehand where he watched videos of mass shootings, a U.S. official told The Associated Press.
Joshua Watson had just graduated from the U.S. Naval Academy and looked forward to a military career as a pilot. On Saturday, he was being hailed a hero, as his family recounted how the 23-year-old — in his last minutes of life — led first responders to an active shooter at the Pensacola naval base.
"The 2018 Yearbook" remembers the 37 people who were killed in school shootings throughout the year.
Austin startup Athena Security's goal is to be proactive when it comes to preventing mass shootings.
Authorities announced Thursday that the student who shot five classmates, killing two, at Saugus High School in Santa Clarita, used a "kit gun" assembled from parts. These "ghost guns" are unregistered and virtually untraceable.
Rome Shubert was one of 13 people that were injured in the shooting that killed 10 people. The athlete was shot in the back of the head. Now, Rome has announced that he will be signing to UH's baseball team.
The coroner on Friday released the identities of the two students killed when a 16-year-old gunman opened fire on a high school campus in Santa Clarita.
The Las Vegas massacre in 2017 remains the deadliest mass shooting in modern American history, and this weekend, it claimed another victim.
Thousands of people gathered Sunday night at Central Park in Santa Clarita to hold a candlelight vigil to remember the two students shot and killed by a classmate at Saugus High School.