ROSWELL, N.M. —
He said investigators worked through the night executing search warrants at the school, and determined through those searches that the attack was planned. They examined the boy’s locker and the duffel bag the seventh-grader used to transport the .20 gauge shotgun to school.
Kassetas said the handle of the gun was sawed off so it had “more of a pistol grip.”
He added authorities had some indication that the boy verbally warned “select students” about the attack as he arrived at the school. Kassetas didn’t elaborate.
The shooting spurred a flood of 911 calls from students Tuesday morning. In some, screaming could be heard in the background.
The shooting was over in 10 seconds, officials said, after the boy fired at the ceiling, the floor and then the students. An eighth-grade social studies teacher, John Masterson, then stepped in and talked the boy into dropping his weapon.
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