Most of the people who carried out mass attacks in public spaces last year had made threatening communications, and 75 percent of those communications had aroused concern in others, the Secret Service said Tuesday.

The parents of a victim of the 2018 Parkland school shooting sued the federal government Friday, accusing the FBI of ignoring a warning about the accused gunman.

South Florida investigators said Wednesday two more deputies have lost their jobs over the response to the 2018 shooting attack at Marjory Stoneman Douglas High School in Parkland.

A group of gun control activists said Monday it's collected enough petition signatures in Florida to force a review by the state Supreme Court for a proposed ballot initiative that would ban the sale of assault weapons.

Authorities on Tuesday arrested a former Marjory Stoneman Douglas High school resource officer who didn't enter the school during a February 2018 mass shooting.

Former Miami Heat star Dwyane Wade was the surprise guest speaker at Sunday's graduation ceremony for the Marjory Stoneman Douglas High School class of 2019 at the BB&T Center in Sunrise, Fla.

Some 8,000 people gathered before a plywood temple memorial and watched it burn in a gesture of symbolic healing following last year's Florida school shooting.

A judge in Florida on Friday denied lawyers' request to no longer defend confessed Parkland shooter Nikolas Cruz because of his access to a $430,000 annuity left to him by his deceased mother.

The Florida Legislature has passed a bill allowing teachers to be armed on campus, a practice encouraged by President Donald Trump in the days after the 2018 Parkland school shooting that killed 17.

Because confessed Parkland shooter Nikolas Cruz is entitled to $430,000 from a life insurance policy, he no longer needs a public defender, South Florida attorneys say.

After peaking in 2017, the number of active shooter incidents in the United States fell slightly in 2018 to 27, the FBI reported.

Big banks defended their policies to lend -- or not lend -- to gun manufacturers during testimony Wednesday before the House financial services committee.

Dwyane Wade takes the home court for the final time of his career Tuesday in Miami. Here is how to watch and how much it will cost fans to attend.

Dwyane Wade's mom and the sister of a Parkland victim are featured in an emotional tribute video for the Miami Heat star ahead of his final home game.

Since 2013, only one full week has passed without a mass shooting -- in which four or more people are shot -- in the United States.