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Case Description
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Daniel Mauser was a 15-year-old male student at Columbine High School in Littleton, Colorado. A sophomore, he was known for being a gentle and mild-mannered boy who excelled in his studies, particularly in math and science. Despite his shy nature, he challenged himself by joining the school's debate team to overcome his fear of public speaking. Just two weeks before his death, he had a conversation with his father about his concern over loopholes in the Brady Bill, a federal gun control law.
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Victim Details

Daniel Mauser

Male

White / Caucasian

Littleton

CO

1999-04-20

15

Daniel

Mauser

11/14/2025