Los Angeles TimesParkland, Fla., video shows deputy waiting outside school as shooting unfolds insideLos Angeles TimesAuthorities Thursday released surveillance video from the mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla. Surveillance footage released by Florida authorities Thursday appears to show a Broward County deputy waiting outside ...New Surveillance Video Shows School Resource Officer Outside During Parkland ShootingTIMEParkland shooting surveillance videos released: Watch what happened from outsideSun SentinelStudents walking out of school taught the nation a lessonWashington Postall 511 news articles »