School Safety

Lisa and Richard Olson, who's son was injured during last year's Parkland school shooting, look on during a news conference, Wednesday, April 10, 2019, in Fort Lauderdale, Fla. Survivors and family members of the slain victims of the school shooting in Parkland, Florida, sued the school board, sheriff's office and others for negligence Wednesday, saying the agencies initially had promised a financial settlement but secretly worked behind the scenes to prevent a deal. (AP Photo/Wilfredo Lee)

Outgoing Homeland Security Secretary Kirstjen Nielsen, left, and outgoing acting deputy secretary Claire Grady, arrive for the dedication ceremony at the Homeland Security headquarters Center Building at the old St. Elizabeths Hospital, Wednesday, April 10, 2019, in Washington. (AP Photo/Alex Brandon)

FILE - In this March 23, 2019 file photo, former Columbine principal Frank DeAngelis reflects about the upcoming 20th anniversary of the mass shooting at the suburban Denver high school. More than a dozen principals from U.S. schools impacted by shootings have formed a support network for the next colleagues who join their unenviable ranks. The Principals Recovery Network will also advocate for resources to help schools prevent violence. The initial group of 17 includes DeAngelis and a principal from Marjory Stoneman Douglas High School in Parkland, Florida. DeAngelis says it’s a network each participant wishes they’d had. (AP Photo/Thomas Peipert, File)

FILE - In this Jan. 28, 2013, file photo, firearms training unit Detective Barbara J. Mattson, of the Connecticut State Police, holds a Bushmaster AR-15 rifle, the same make and model used by Adam Lanza in the 2012 Sandy Hook School shooting, during a hearing at the Legislative Office Building in Hartford, Conn. A divided Connecticut Supreme Court ruled that gun maker Remington can be sued over how it marketed the Bushmaster rifle used in the massacre. In court documents filed Friday, April 5, 2019, Remington notified the Connecticut Supreme Court of its plans to pursue an appeal with the Supreme Court of the United States. (AP Photo/Jessica Hill, File)

FILE - In this Feb. 25, 2019 file photo Dimitrios Pagourtzis, the Santa Fe High School student accused of killing 10 people in a May 18 shooting at the high school, is escorted by Galveston County Sheriff's Office deputies into the jury assembly room for a change of venue hearing at the Galveston County Courthouse in Galveston, Texas. Pagourtzis' attorney Nick Poehl, says federal prosecutors plan to file charges against the former student after they had previously indicated they would not. Poehl says Pagourtzis was taken into federal custody Monday, April 8, 2019 and was set to appear in federal court in Galveston at 1 p.m. Poehl says he doesn't know what federal charges were filed. (Jennifer Reynolds/The Galveston County Daily News via AP, Pool, File)

FILE - In this Jan. 12, 2016, file photo, a ride share car displays Lyft and Uber stickers on its front windshield in downtown Los Angeles. Law enforcement agencies and ride-hailing companies are intensifying efforts to warn passengers against getting in without checking to ensure both the vehicle and driver are legitimate. (AP Photo/Richard Vogel, File)

FILE - In this Sept. 20, 2017, file photo, University of Oklahoma President David Boren, a former Democratic governor and U.S. senator, speaks at a news conference in Norman, Okla. The allegations by Jess Eddy, a former University of Oklahoma student, appear to be at the center of an investigation being conducted for the university into whether Boren sexually harassed male subordinates. Boren has denied any inappropriate conduct in statements released by his attorneys. (AP Photo/Sue Ogrocki, File)

FILE - In this Feb. 25, 2018 file photo, mourners bring flowers as they pay tribute at a memorial for the victims of the shooting at Marjory Stoneman Douglas High School, in Parkland, Fla. The community of Parkland, Florida, is focusing on suicide prevention programs after two survivors of the Florida high school massacre there killed themselves this month. Parkland Mayor Christine Hunschofsky said Monday, March 25, 2019, that officials are publicizing the available counseling services after a second Marjory Stoneman Douglas High School student apparently killed himself over the weekend. (David Santiago/Miami Herald via AP, File)

FILE - In this Thursday, July 26, 2012 file photo, an AR-15 style rifle is displayed at the Firing-Line indoor range and gun shop, in Aurora, Colo. A new poll shows a majority of Americans favor stricter gun laws, and most believe schools and places of worship have become less safe over the last two decades, according to a poll conducted by The Associated Press-NORC Center for Public Affairs Research both before and after last week’s mass shooting at two mosques in New Zealand. (AP Photo/Alex Brandon, File)