* FBI Was Warned About A 'Nikolas Cruz' Who Wanted To Be A 'Professional School Shooter'.

* Gowdy: 'Show Me A Law That Will Prevent The Next Mass Killing.

* Judge Napolitano Wants America To Copy Israel And Train Teachers How To Use Firearms.

* 'The NRA Is Too Powerful' - Megyn Kelly Delivers Pro-Gun Control Sermon.

* MSNBC's Scarborough Labels Opponents Of Gun Control 'Domestic Terrorist Enablers' And 'Useful Idiots.

* The Toll Since Sandy Hook: More Than 400 People Shot, In Over 200 School Shootings.

* FACT CHECK: Have There Been 18 School Shootings In 2018?

Verdict: False The commonly cited "18 school shootings" statistic counts suicides and accidental firearm discharges on school grounds as "school shootings. The Florida incident is the first school mass shooting of 2018, according to FBI standards.

* Complicated Balancing Act Between Mental Health and Right to Bear Arms.

* Jordan Jereb, the leader of a white nationalist militia called the Republic of Florida said Nikolas Cruz was a member of his group and participated in training exercises.