![Where Colorado's School Safety Debate Stands Ahead Of National March For Our Lives | Colorado Public Radio Where Colorado's School Safety Debate Stands Ahead Of National March For Our Lives | Colorado Public Radio](https://wp-cpr.s3.amazonaws.com/uploads/2019/06/20180322.news_.antigunmarch-mauser-adams-copy-001.vandenburg-2.jpg)
Where Colorado's School Safety Debate Stands Ahead Of National March For Our Lives | Colorado Public Radio
![Ryan Hughes ar Twitter: "POWERFUL: This is Tom Mauser. His son, Daniel, died in the Columbine school massacre nearly 20 years ago. He came to DC today for the #NotOneMore event wearing Ryan Hughes ar Twitter: "POWERFUL: This is Tom Mauser. His son, Daniel, died in the Columbine school massacre nearly 20 years ago. He came to DC today for the #NotOneMore event wearing](https://pbs.twimg.com/media/DYLZnXSU8AE4FUC.jpg:large)
Ryan Hughes ar Twitter: "POWERFUL: This is Tom Mauser. His son, Daniel, died in the Columbine school massacre nearly 20 years ago. He came to DC today for the #NotOneMore event wearing
![Tom Mauser continues fight against gun violence 20 years after son, Daniel, died at Columbine - YouTube Tom Mauser continues fight against gun violence 20 years after son, Daniel, died at Columbine - YouTube](https://i.ytimg.com/vi/XwZiHZqbbF4/maxresdefault.jpg)
Tom Mauser continues fight against gun violence 20 years after son, Daniel, died at Columbine - YouTube
![From a Loving Father Who Lost His Son in the Columbine Massacre 14 Years Ago - Moms Demand Action | Moms Demand Action From a Loving Father Who Lost His Son in the Columbine Massacre 14 Years Ago - Moms Demand Action | Moms Demand Action](https://momsdemandaction.org/wp-content/uploads/2019/06/Tom-Mauser-Book-cover-3.jpg)
From a Loving Father Who Lost His Son in the Columbine Massacre 14 Years Ago - Moms Demand Action | Moms Demand Action
![Tom Mauser Father Slain Columbine Student Editorial Stock Photo - Stock Image | Shutterstock Editorial Tom Mauser Father Slain Columbine Student Editorial Stock Photo - Stock Image | Shutterstock Editorial](https://editorial01.shutterstock.com/wm-preview-1500/7885098e/3e32a8c2/Shutterstock_7885098e.jpg)
Tom Mauser Father Slain Columbine Student Editorial Stock Photo - Stock Image | Shutterstock Editorial
![From a Loving Father Who Lost His Son in the Columbine Massacre 14 Years Ago - Moms Demand Action | Moms Demand Action From a Loving Father Who Lost His Son in the Columbine Massacre 14 Years Ago - Moms Demand Action | Moms Demand Action](https://momsdemandaction.org/wp-content/uploads/2019/06/Daniel-Dad-640x640-c-default.jpg)
From a Loving Father Who Lost His Son in the Columbine Massacre 14 Years Ago - Moms Demand Action | Moms Demand Action
![From a Loving Father Who Lost His Son in the Columbine Massacre 14 Years Ago - Moms Demand Action | Moms Demand Action From a Loving Father Who Lost His Son in the Columbine Massacre 14 Years Ago - Moms Demand Action | Moms Demand Action](https://momsdemandaction.org/wp-content/uploads/2019/06/Daniel-Dad-1170x600-c-default.jpg)
From a Loving Father Who Lost His Son in the Columbine Massacre 14 Years Ago - Moms Demand Action | Moms Demand Action
![Columbine victim's dad says US gun control laws 'have regressed' since horror shooting after spending last 20 years campaigning | The Sun Columbine victim's dad says US gun control laws 'have regressed' since horror shooting after spending last 20 years campaigning | The Sun](https://www.thesun.co.uk/wp-content/uploads/2019/03/Columbine_067JPG-JS477639332.jpg)