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Good morning.

Here’s what you need to know:

A tragedy “everyone predicted”

• Nikolas Cruz was charged today with 17 counts of murder in the mass shooting at a high school in Parkland, Fla. Our live briefing has the latest.

Here’s what we know about Mr. Cruz, 19, who had been expelled from the school and was described as a “troubled kid” who enjoyed showing off his firearms.

Here’s our full story on Wednesday’s attack, and a map of what happened inside the school.

• The numbers are mind-numbing: More than 430 people have been shot in 273 school attacks since the one at Sandy Hook Elementary in 2012. Three of the 10 deadliest mass shootings in modern U.S. history were in the past five months.