PARKLAND, FL - FEBRUARY 23: Broward Schools Superintendent Robert Runcie walks away after speaking to the media in front of Marjory Stoneman Douglas High School as teachers and staff are allowed to return to the school for the first time since the mass shooting on campus on February 23, 2018 in Parkland, Florida. Police arrested 19-year-old former student Nikolas Cruz for killing 17 people at the high school. (Photo by Joe Raedle/Getty Images)
