School Safety

Former school resource officer Scot Peterson appears in magistrate court via television feed from the Broward County Main Jail in Fort Lauderdale, Fla., on Wednesday, June 5, 2019. Peterson will have to stay in jail for now on charges of child neglect and negligence for failing to intervene as a gunman was killing students in a Florida high school. He was the deputy assigned to Marjory Stoneman Douglas High School but never went inside as 17 people were shot to death. (South Florida Sun-Sentinel via AP, Pool)

FILE - In this Feb. 18, 2015, file frame from video from Broward County Public Schools, school resource officer Scot Peterson talks during a school board meeting of Broward County, Fla. Peterson, the then-Florida sheriff's deputy assigned to protect the high school where 17 died in a 2018 shooting has been arrested on 11 charges, Tuesday, June 4, 2019. State Attorney Mike Satz announced that 56-year-old Peterson faces child neglect, culpable negligence and perjury charges. (Broward County Public Schools via AP, File)

FILE - In this Wednesday, Oct. 26, 2016 file photo, first responders hold a flag on the court as the national anthem is played during a tribute to the victims of the Pulse nightclub shooting prior to an NBA basketball game between the Orlando Magic and the Miami Heat in Orlando, Fla. The attack left 49 people dead; the shooter was killed after a three-hour standoff with police. (AP Photo/John Raoux)

FILE - In this Feb. 14, 2019, file photo, people gather around the "Temple of Time" in honor of the 17 that were killed during the Marjory Stoneman Douglas High School shooting in 2018 in Coral Springs, Fla. The temple built as a memorial to the 17 victims of a Florida high school mass shooting is to be burned to the ground in a symbolic gesture of healing. (AP Photo/Wilfredo Lee, File)

Women pray for the victims near the site of a knife attack in Kawasaki, near Tokyo Wednesday, May 29, 2019. A man carrying a knife in each hand attacked a group of schoolgirls waiting at a bus stop just outside Tokyo Tuesday. (Hiroki Yamauchi/Kyodo News via AP)

FILE - In this Wednesday, May 1, 2019 file photo, National Security Adviser John Bolton talks to reporters about Venezuela, outside the White House, in Washington. Bolton is scheduled to deliver the keynote address Wednesday, May 22, 2019, at the United States Coast Guard Academy graduation ceremony. Bolton has been President Donald Trump's national security adviser since April of last year. (AP Photo/Evan Vucci, File)

FILE - This undated file photo provided by Rachel Short shows Kendrick Castillo, who was killed during a shooting at the STEM School Highlands Ranch on Tuesday, May 7, 2019, in Highlands Ranch, Colo. Seniors from the school graduated Monday, May 20, 2019 in a ceremony hosted by the Denver Broncos hosted commencement ceremonies at their training facility in suburban Denver. Castillo was fatally shot as he and two classmates tried to stop one of the two gunmen who attacked the school. Valedictorian Emma Goodwill asked her classmates to "love so fully and fundamentally like Kendrick." (Rachel Short via AP, File)