The 18th Judicial District: Arapahoe, Douglas, Elbert, and Lincoln counties.

Our mission is to seek justice for all cases in the 18th Judicial District, serving Arapahoe, Douglas, Elbert and Lincoln counties.

Roxborough State Park, Douglas County, Colorado

The 18th Judicial District: Arapahoe, Douglas, Elbert, and Lincoln counties.

Our mission is to seek justice for all cases in the 18th Judicial District, serving Arapahoe, Douglas, Elbert and Lincoln counties.

17 Mile House Farm Park, Arapahoe County, Colorado

The 18th Judicial District: Arapahoe, Douglas, Elbert, and Lincoln counties.

Our mission is to seek justice for all cases in the 18th Judicial District, serving Arapahoe, Douglas, Elbert and Lincoln counties.

Douglas County, Colorado

Criminal Justice

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Thank you for allowing me to serve as your DA. Together, let's keep the momentum going.

John Kellner, District Attorney for the 18th Judicial District

Our office is here to serve you, the community.

Current Topics

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Jury convicts Aurora man in 2022 quadruple homicide

May 16, 2024| News Release

On May 16, 2024, an Arapahoe County jury found Joseph Castorena, 22, guilty on all four counts of First-Degree Murder after Deliberation... Read More → Jury convicts Aurora man in 2022 quadruple homicide

Driver involved in fatal crash receives maximum prison sentence after failing to appear for sentencing

May 7, 2024| News Release

On May 7, 2024, Douglas County Judge Ryan J. Stuart sentenced David Lucero, 40, to 18 years in prison for killing a woman in a crash back... Read More → Driver involved in fatal crash receives maximum prison sentence after failing to appear for sentencing

Castle Rock man pleads guilty to stabbing mom to death inside home

May 6, 2024| News Release

On Monday, May 6, Matthew Buchanan, 34, pleaded guilty to second-degree murder for the 2022 fatal stabbing of his mother. On April 26, 2022... Read More → Castle Rock man pleads guilty to stabbing mom to death inside home

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