(Reuters) - U.S. school districts have spent millions of dollars on metal detectors, security cameras and elaborate emergency-response plans since the 1999 massacre at Columbine High School, but almost nothing could have prevented Friday's massacre at a Connecticut elementary school, security expert Full story
The shooting in Connecticut is a tragedy that’s become a recurring nightmare. From Columbine to Virginia Tech to a movie theater in Aurora, Co.. Why does this keep happening? MSNBC’s Melissa Harris-Perry and Jon Shane, professor of criminal justice at John Jay College join Rev. Al Sharpton.
The Illinois craftsman who made Aurora crosses also made memorials for Columbine victims 13 years ago. NBC's Jay Gray reports.
The traditional Columbine descends from Saint Mark's bell tower on an iron cable during the Venetian Carnival in Venice February 3, 2013. REUTERS/Manuel Silvestri (ITALY - Tags: SOCIETY)