On December 14, 2012, a gunman opened fired inside Sandy Hook Elementary School in Newtown, Connecticut. The shooting killed 20 first-grade students and six educators.
Students were sent home early Friday, the sixth anniversary of the deadly mass shooting that killed 20 first-graders and six educators, after the threat.
The mother of a child killed in the 2012 Sandy Hook massacre took to Twitter after the Las Vegas mass shooting to slam Congress for not taking action against gun control.
