Columbine shooting survivor Karissa Rund, 40, tragically died on March 3 after a 10-year-long battle with stage 4 colon ...

the Jefferson County Coroner’s Office said in an autopsy report obtained Thursday. She was 43. Twelve students and one teacher were shot and killed on April 20, 1999, in the attack on Columbine.

Hochhalter's own mother died by suicide six months after Columbine. She said her mother struggled with depression and did not believe the shootings were directly to blame for the tragedy.

The death of Anne Marie Hochhalter, who was paralyzed in the mass shooting at Columbine High ... Hochhalter said her mother suffered from depression and said she did not believe the shootings ...

the Jefferson County Coroner's Office said in an autopsy report obtained Thursday. She was 43. Twelve students and one teacher were shot and killed on April 20, 1999, in the attack on Columbine.