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Reporter Catherine Hadro speaks with Sister Mary Gianna of the Disciples of the Lord Jesus Christ and Frank DeAngelis on “EWTN News In Depth” on April 19, 2024. Sister Mary Gianna, also known as Jenica Thornby, was a sophomore at Columbine High School and DeAngelis was principal on April 20, 1999, when two gunmen killed 12 students and one teacher before turning their guns on themselves.

Columbine High School massacre, 25 years later: ‘God, why did you allow me to survive?’

Apr 22, 2024

By Tina Dennelly

It was 25 years ago that two gunmen killed 12 students and one teacher before turning their guns on themselves... Read more

Sr. Mary Gianna Thornby, DLJC. Courtesy Photo.

After Columbine: How one survivor found faith, and a vocation

Dec 30, 2019

By Jonah McKeown

Many years before she entered religious life, Sister Mary Gianna Thornby was an ordinary high school sophomore at Columbine High... Read more

Columbine High School.

How Denver’s archbishop responded to Columbine

Apr 20, 2019

By Jonah McKeown

How Denver's archbishop responded to the shooting at Columbine High School. Read more