The 12 students and one teacher killed in the Columbine High School shooting were remembered in a vigil on the eve of the 25th anniversary of the tragedy.

With students returning to school, safety is top of mind for many parents at the moment.

Fourteen mass shootings at U.S. schools since 1999's massacre at Columbine High School in Colorado have killed a total of 169 victims.

Local 4's Nick Monacelli visited with survivors of the 1999 Columbine massacre to hear their experiences and advice as Oxford students return to their high school for the first time since the Nov. 30 mass shooting.

Survivors of Columbine have a message for Oxford and for us. They are the only ones with the right words, and you can listen Sunday at 11 p.m. on Local 4 News.

A South Lyon High School student has been charged for a Snapchat threat in which he said it was “time for Columbine part 2,” according to authorities.

A Washington mother says she doesn't regret calling the police on her 17-year-old son, whose journal was allegedly filled with detailed plans about attacking his school on the anniversary of Columbine. "I know a lot of people that go to College Place High School," she said of her son's school. But her son's allegedly violent journal entries make her feel "like I've done something wrong," she said. RELATED STORIESBack-to-School PSA Spotlights Ordinary Items That Might Save Kids' Lives in a ShootingCan a Bulletproof Backpack Save Your Life in a School Shooting? Inside Edition Tests Them OutColumbine School Shooting Survivor Found Dead 20 Years After Massacre