Student: Nevada shooter was bullied

SPARKS, NV - OCTOBER 21: Law enforcement gather in the parking lot after a shooting at Sparks Middle School October 21, 2013 in Sparks, Nevada. A staff member was killed and two students were injured after a student opened fire at the Nevada middle school. The suspected gunman was also killed. (Photo by David Calvert/Getty Images)
SPARKS, NV - OCTOBER 21: Law enforcement gather in the parking lot after a shooting at Sparks Middle School October 21, 2013 in Sparks, Nevada. A staff member was killed and two students were injured after a student opened fire at the Nevada middle school. The suspected gunman was also killed. (Photo by David Calvert/Getty Images)

    JUST WATCHED

    Student: Nevada shooter was bullied

MUST WATCH

Amaya and Tabatha Newton talk to CNN's Piers Morgan about the shooter in the Nevada school shooting.