Failings by law enforcement, school officials helped Parkland shooting succeed - AOL

1. Failings by law enforcement, school officials helped Parkland shooting succeed  AOL
2. Parkland school massacre brings changes in sheriff's policies  Fox News
3. New video and details emerge from Parkland shooting  ABC News
4. Florida school shooting: New video shows 'blunders'  BBC News
5. Security failures in Parkland school shooting included unlocked doors, no PA system  ABC News
6. View full coverage on Google News

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