Via Wikimedia Commons (Jefferson County Courthouse from I-70)
Jefferson County
Arcs in the news about Jefferson County from the outlets we track, each followed from its first story to its last, with who covered it.
Subject · 83 stories · 152 articles · earliest story we hold Dec 9, 2023
Right nowactive arcs, newest development first
Nothing ongoing.
All arcs0 named arcs in 2025
Year: changes this list, the board and the stories below.
No named arcs in 2025 yet.
On a timeline
every arc in 2025 at its own dates · opens on month
Sep 7 – Sep 14, 2025No arcs in this window
- Each row is an arc
- A card is a story, on the day it was first reported
- Who covered it: left, center, right
Coverage over timeindependent sources per week, by side, every year we hold
Earlier years are still being indexed.
Dec 2023Jun 2024Jan 2025Aug 2025Mar 2026Sep 2026
LeftCenterRight
Point at or tap a week to see its count by side.
Every week as a table
| Week of | Left | Center | Right | Articles |
|---|---|---|---|---|
| Dec 4, 2023 | 2 | 4 | 3 | 12 |
| Dec 11, 2023 | 0 | 2 | 2 | 5 |
| Jan 22, 2024 | 2 | 5 | 1 | 15 |
| Mar 18, 2024 | 1 | 6 | 2 | 27 |
| Dec 9, 2024 | 0 | 2 | 1 | 8 |
| Sep 8, 2025 | 5 | 30 | 10 | 127 |
| Mar 23, 2026 | 1 | 5 | 7 | 18 |
| Jun 22, 2026 | 0 | 1 | 0 | 1 |
| Jun 29, 2026 | 1 | 1 | 0 | 5 |
| Jul 6, 2026 | 7 | 11 | 16 | 69 |
| Jul 13, 2026 | 1 | 4 | 2 | 25 |
| Jul 20, 2026 | 3 | 1 | 3 | 10 |
| Jul 27, 2026 | 0 | 3 | 0 | 13 |
| Aug 3, 2026 | 0 | 3 | 1 | 6 |
| Aug 10, 2026 | 0 | 3 | 0 | 5 |
| Aug 17, 2026 | 0 | 6 | 1 | 18 |
| Aug 24, 2026 | 0 | 5 | 3 | 21 |
| Aug 31, 2026 | 0 | 4 | 4 | 9 |
| Sep 7, 2026 | 9 | 13 | 3 | 45 |
| Sep 14, 2026 | 13 | 22 | 7 | 143 |
| Sep 21, 2026 | 0 | 3 | 1 | 6 |
| Sep 28, 2026 | 0 | 0 | 1 | 1 |
Stories before June 28, 2026 come from archived pages, so who covered them is limited to the outlets we recovered for that period.
Everything else3 stories in 2025 not part of any arc, newest first
Stories that name Jefferson County
- Sep 11– 12Denver-area high school shooting suspect was ‘radicalized,’ officials say19 articles · 16 independent sources0 left, 7 center, 0 right
- Sep 11– 12Colorado school shooting: 16-year-old identified as shooter, police say19 articles · 8 independent sources1 left, 2 center, 5 right
- Sep 10– 11Suspect dead, 3 students injured in Colorado high school shooting: officials89 articles · 48 independent sources5 left, 25 center, 9 right