CULTURETECHLENSDaniel Hahn
PROVISIONAL evidence grade of this record
Daniel P. Hahn was the first Black chief of both the Roseville and Sacramento police departments in California. A Sacramento native raised in the city's Oak Park area, Hahn joined the Sacramento Police Department in 1987 and rose to captain before moving, in 2011, to become chief in the suburb of Roseville — a reform-minded tenure commended there. When Sacramento's chief retired, Mayor Darrell Steinberg brought Hahn home; he was sworn in on August 11, 2017, as the first Black chief in the Sacramento Police Department's history. Seven months later, on March 18, 2018, Sacramento officers killed Stephon Clark, an unarmed Black man holding a cell phone, in his grandmother's backyard. The shooting ignited weeks of protest that shut down freeways and an NBA arena, and it defined Hahn's chiefdom: he restructured academy and in-service training around the Clark case, tightened the department's foot-pursuit and use-of-force policies, and telephoned Clark's family to offer condolences. Hahn also spoke publicly about the personal cost — including being called a 'sellout' by some in the Black community he policed — a tension he discussed candidly in interviews while insisting the department had to change. Hahn retired at the end of 2021 and afterward taught criminal justice at Sacramento State University, his alma mater, where the university honored him among its distinguished alumni.
Notes
Merged 2026-11-02 from the staged police chiefs packet (website/.build-work/scratch-v114/police/) under the GOV-006 founder gate opened 2026-11-02; the staged record is carried verbatim — no claim upgraded in transit (GOV-004). · Roles as staged: Police leadership — Chief, Roseville, California (2011–2017); Chief, Sacramento Police Department (2017–2021) · Photo slot: HELD — Commons name search returns the British translator Daniel Hahn — a different person; no photograph of the Sacramento chief was found. Held rather than picture the wrong man.
Sources
- Wikipedia, 'Sacramento Police Department' — https://en.wikipedia.org/wiki/Sacramento_Police_Department
- csus.edu — https://www.csus.edu/news/newsroom/stories/2023/10/daa-daniel-hahn.html
- majic945.com — https://majic945.com/935361/both-police-chief-daniel-hahn-and-the-family-of-stephon-clark-are-seeking-healing-in-the-wake-of-shooting/
More person records
Browse the full directory: all entity records
Record CTL-E-6799 · CultureTechLens Knowledge Graph · evidence grade: PROVISIONAL · 3 sources · CTL research: PPL-001.
Directory: all entity records · the knowledge graph
Cite this record
Chicago: CultureTechLens. “Daniel Hahn (CTL-E-6799).” CultureTechLens Knowledge Graph. Chicago, IL: CultureTechLens, 2026. https://culturetechlens.com/graph/entities/ctl-e-6799/
APA: CultureTechLens. (2026). Daniel Hahn (CTL-E-6799) [Entity record]. CultureTechLens Knowledge Graph. https://culturetechlens.com/graph/entities/ctl-e-6799/
MLA: CultureTechLens. “Daniel Hahn (CTL-E-6799).” CultureTechLens Knowledge Graph, 2026, https://culturetechlens.com/graph/entities/ctl-e-6799/
Citation guidance for teachers, journalists, and funders: How to Cite Us.
From the Archive
The archive in pictures
The people, places, and institutions this work documents. Photographs from the CultureTechLens research record — rights-cleared, credited, and cited like everything else here.
Trust & evidence
Evidence before authority. CultureTechLens publishes its methods, its limits, and its corrections alongside its findings. Claims carry grades — VERIFIED, SUPPORTED, PROVISIONAL, DISPUTED, UNRESOLVED — and unknowns are never reported as zero.
Every claim graded. Every source named. Every correction public — see the corrections log.