PARKLAND, Fla. - The brother of Nikolas Cruz, charged with killing 17 students and staff at Marjory Stoneman Douglas High School on Valentine's Day, was charged with trespassing at the school.

Zachary Cruz, 18, was on school grounds "after prior warnings by school officials to refrain from entering the school campus," according to an arrest report from the Broward County Sheriff's Office.

"Defendant Cruz surpassed all locked doors and gages and proceeded to ride his skateboard through school grounds," the report said.

Zachary Cruz wanted to "reflect on the school shooting and to soak it in," the report said.

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