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A Sparks Middle School student, back to camera, cries with family members after being released from Agnes Risley Elementary School Monday Oct. 21, 2013, in Sparks Nev., after a shooting at Sparks Middle School.  A student at the Sparks Middle School opened fire on campus, killing a staff member who was trying to protect other children, police said Monday.  (AP Photo/Kevin Clifford)
A Sparks Middle School student, back to camera, cries with family members after being released from Agnes Risley Elementary School Monday Oct. 21, 2013, in Sparks Nev., after a shooting at Sparks Middle School.  A student at the Sparks Middle School opened fire on campus, killing a staff member who was trying to protect other children, police said Monday.  (AP Photo/Kevin Clifford)

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    Teacher dead in Nevada school shooting

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Teacher dead in Nevada school shooting

A student at Sparks Middle School in Nevada opens fire at school before killing himself.

Teacher dead in Nevada school shooting

A student at Sparks Middle School in Nevada opens fire at school before killing himself.