On a sunny day in Grapevine, Texas, three drones are buzzing around the head of a test dummy balanced on a pedestal. It's part of a demonstration outside the National School Safety Conference.
"We use drones to stop school shootings," says Justin Marston, the CEO of Campus Guardian Angel, the company selling the drones. In the event of a shooting, remote pilots fly the drones, housed at the school, at the shooter. They shoot pepper balls and run the drones into the shooter to debilitate them.
The technology is one example on a long list of products schools can buy to deter a shooter.
There have been more than 400 school shootings since Columbine in 1999, according to an analysis by The Washington Post. The latest was last month, when a former student opened fire at a Catholic school in Minneapolis. Two students were killed and at least 18 others were wounded.




Just as the Roman Catholic archdiocese of New Orleans was beginning to ask victims of clergy sexual abuse to approve a settlement plan assuring them of $180m, the church has now guaranteed $230m – enough to persuade certain attorneys who were opposed to striking a deal to instead favor settling.
Federal agents can resume sweeping immigration operations in Los Angeles after the US supreme court lifted an order barring the Donald Trump administration from stopping people solely based on their race, language or job.
A drone fired by the Houthi militants in Yemen breached Israel’s multilayered air defenses on Sunday and slammed into the country’s southern airport, the Israeli military said, briefly shutting down commercial airspace and diverting flights over southern Israel.
Protests against the National Guard roiled DC on Sept. 6 as Chicagoans waited to see where President Donald Trump, who rattled his saber on social media, would send troops next aiming to fight crime.
The Israeli army issued evacuation orders and targeted high-rise buildings in Gaza City on Saturday, urging Palestinians to flee south ahead of an escalating offensive to seize the city of nearly 1 million.
Ukrainian President Volodymyr Zelenskyy on Friday declined Russian President Vladimir Putin's suggestion he come to Moscow to negotiate a diplomatic settlement, addressing the proposal for the first time in an interview with ABC News Chief Global Affairs Correspondent Martha Raddatz for "This Week."
Davey Johnson, an All-Star second baseman who won the World Series twice with the Baltimore Orioles as a player and managed the New York Mets to the title in 1986, has died. He was 82.





























