Did FBI miss a warning before Florida high school shooting?

Florida shooting
Nikolas Cruz, 19, a former student at Marjory Stoneman Douglas High School in Parkland, Florida, where he allegedly killed 17 people, is seen on a closed circuit television screen during a bond hearing in front of Broward Judge Kim Mollica at the Broward County Courthouse on February 15, 2018 in Fort Lauderdale, Florida. Mr. Cruz is possibly facing 17 counts of premeditated murder in the school shooting.
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