Relative stops Plainfield high school student's Joliet Grand Prairie Elementary School shooting plot: Will County sheriff ABC7 Chicago Illinois school shooting plot foiled by relative who tackled the armed child, officials say NBC News Chicago-area boy had planned school shooting, had gun, ammunition, police say FOX 32 Chicago Juvenile boy in custody in relation to threat made on suburban school NBC 5 Chicago Freshman Allegedly Plotted Elementary School Shooting on Last Day of Classes People.com