Nikolas Cruz, the 19-year-old suspect in yesterday's Parkland, Florida school shooting was officially charged today with 17 counts of premeditated murder.

Law enforcement officials told The Associated Press that Nikolas Cruz legally purchased the AR-15 assault weapon used in the massacre.

From KATC -

"Students thought it was just another drill at Marjory Stoneman Douglas High School when a fire alarm sounded, requiring them to file out of their classrooms Wednesday afternoon. That's when police say Cruz, equipped with a gas mask, smoke grenades and magazines of ammunition, opened fire with a semi-automatic weapon, killing 17 people and sending hundreds of students fleeing into the streets."

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