NO. BOTH Russia and the parents warned the FBI,
but the terrorists were re-entered into the USA
without even needing passports.
That means, THEY knew but were too busy doing what?
The FBI knew about the Garland, Texas ISIS attack before it happened as well.
https://www.cbsnews.com/news/terrorism-in-garland-texas-what-the-fbi-knew-before-the-2015-attack/
Look at the political spin already being used in the school shooting to call for gun control and help Democrats. A few kids dead? What do Democrats care? They’re already in the business of murdering babies and selling the body parts.