The National Threat Assessment Center was in Newark, Delaware, to share information on how to help prevent school shootings.
Abel Cedeno mouthed the word "yes" when asked Wednesday night if he had been bullied, relentless taunting that cops say led to rage and made him the first student to kill another inside a New York City public school in 25 years.
A high school student who'd been fighting with two classmates suddenly attacked them with a switchblade during history class Wednesday, killing one boy and gravely wounding another, police said.
April 20, 2017, marks the 18th anniversary of one of the deadliest school shootings in U.S. history.
A 15-year-old student is facing weapons charges after police say he brought a loaded gun to school in Galloway Township, New Jersey.
Hundreds gathered outside the Howard High School of Technology in Wilmington to remember 16-year-old Amy Joyner.