Parkland shooter warned freshman before shooting: "You'd better get out of here"

McKenna, 15, was on his way to use a bathroom when he saw Nikolas Cruz loading his weapon.

“You’d better get out of here,” Cruz said, according to McKenna. “Things are gonna start getting messy.”

McKenna froze for a second – then fled.

As he made his way out of the building, he said, he saw assistant football coach Aaron Feis unlocking a gate in preparation for dismissal.

“I told him I saw a gun,” McKenna said. “He said ‘let me go check it out.’ Then he drove me to the baseball field, dropped me off, and went back to the school. That’s the last I saw of him.”

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