Parkland

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A school bus evacuates students from Sue V. Cleveland High School in Rio Rancho, New Mexico, on Thursday, Feb. 14, 2019, after a shot was fired on the campus. Police and school officials said no one was injured and a suspect was taken into custody. (AP/Russell Contreras)

Students at Seminole Middle School in Plantation, Fla., participate in a moment of silence Thursday, Feb. 14, 2019, for the 14 students and three staff members killed one year ago at nearby Marjory Stoneman Douglas High School. They are sitting in front of a new mural depicting musicians from throughout the world that was dedicated to the shooting victims. (AP Photo/Terry Spencer)

Boardman High School students clap as Officer Daryn Tallman and his K-9, Sumo, walk the halls after a lockdown drill, Thursday, Feb. 14, 2019, in Boardman, Ohio. Some students around the country marked the anniversary of the school massacre in Parkland, Florida, with moments of silence Thursday or somber vigils while others sought to find threads of positivity in the fabric of tragedy. (AP Photo/Tony Dejak)

In this Jan. 30, 2019, photo, Sgt. Michael Hazellief, training supervisor, walks on the grounds where the "guardians" are participating in a training session to respond to active shooters in Okeechobee, Fla. Okeechobee is one of the Florida districts that have started training and arming non-instructional personnel in the aftermath of the Marjory Stoneman Douglas High School shooting. Authorities keep the identities of these guardians secret, citing security reasons. (AP Photo/Brynn Anderson)

In this, Thursday, Feb. 7, 2019 photo, Ryan Deitsch, right, speaks as his sister Sam, center, and brother Matt, left, look on during an interview with The Associated Press at their home in Parkland, Fla. The three siblings spent much of the past year spearheading the March for our Lives movement aimed at voter registration and gun control. (AP Photo/Wilfredo Lee)

California artist David Best, and a team of volunteers build a non-denominational, temporary temple for the anniversary of the Marjory Stoneman Douglas High School shooting massacre, on Tuesday, Feb. 5, 2019 in Coral Springs, Fla. Visitors will be allowed to mourn, remember, contemplate, leave mementos and write message on its walls. (AP Photo/Brynn Anderson)

Sen. Bob Menendez, D-N.J., right, accompanied by Sen. Richard Blumenthal, D-Conn., left, speaks at a news conference on an proposed amendment to ban high capacity magazines in guns, on Capitol Hill, Tuesday, Feb. 12, 2019, in Washington. (AP Photo/Andrew Harnik)

FILE - In this Aug. 23, 2018, file photo, David Hogg, 18, center right, a survivor of the school shooting at Marjory Stoneman Douglas High School, in Parkland, Fla., walks in a planned 50-mile march in Worcester, Mass. Hogg, became the most prominent spokesman for March for Our Lives, a group he and other Stoneman Douglas students founded that is pushing for stronger gun laws. (AP Photo/Steven Senne, File)

FILE - In this Tuesday, Jan. 29, 2019, file photo, Linda Beigel Schulman, left, holds a photograph of her son Scott Beigel, who was killed during the Valentine’s Day massacre at Marjory Stoneman Douglas High School, while speaking with New York Gov. Andrew Cuomo and gun safety advocates during a news conference at the state Capitol in Albany, N.Y. Since the shooting, states have seen a surge of interest in laws intended to make it easier to disarm people who show signs of being violent or suicidal. (AP Photo/Hans Pennink, File)