Evidence wall covered in photographs, red string connections, and handwritten investigative notes
Case Files · Vol. 04 · 2026

Every CaseHas a Voice.

Cold cases. Courtroom transcripts. Serialized audio that keeps earbuds in long past the last subway stop.

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247

Cases Filed

2.1M

Listeners

94%

Case Retention

The Evidence Board

Open a Case.
Follow the Thread.

Each card is a case file, a listener theory, a fan deep-dive, or a community thread. The deeper you scroll, the colder the cases get.

COLD
Dark abandoned road at night with single streetlight illuminating empty asphalt
Cold Case1987#DOS-031

The Vanishing of Margaret Holt

Season 3, Episode 1 — She left for work on a Tuesday. Her car was found 4 miles from home.

412K
4.9
58 min

"I paused at 38:14 and couldn't sleep. That's when I knew Dossier had me."

Priya Nair
3 days ago
Empty courtroom with wooden benches and dramatic overhead lighting casting long shadows
Retrial2019#DOS-028

Courtroom 7: The Bellamy Retrial

Season 2, Episode 8 — A prosecutor's notes. A missing witness. Three jurors who won't talk.

287K
4.8
71 min
Hand-drawn investigation board with photographs connected by string and handwritten annotations
Fan Art

Fan Art: The Holt Evidence Board

Submitted by @coldcasecarla — 2,400 upvotes on r/DossierPodcast

Profile photo of Carla ReyesCarla Reyes
847 reactions
COLD
Misty lighthouse at dusk with fog rolling in from the ocean
Season 11963#DOS-004

The Lighthouse Keeper's Daughter

Season 1, Episode 4 — A coastal town. A girl who knew too much. A fire that wasn't accidental.

531K
4.7
64 min
Theory
6 hours ago

THEORY: The Bellamy retrial had a 4th juror who was pressured

Cross-referenced with public court records from Allegheny County, 2019

Profile photo of Marcus WebbMarcus Webb
234 replies
Law books stacked on a desk with a single lamp illuminating yellowed pages
Legal2011#DOS-019

No Body, No Case

Season 2, Episode 3 — The legal paradox that let a killer walk. A DA who never gave up.

198K
4.6
52 min

"Episode 4 of Season 1 got me fired because I called in sick to finish it."

James O'Brien
1 week ago
Detailed timeline chart with handwritten notes and newspaper clippings spread across a desk
Deep Dive

Timeline reconstruction: Holt case, 72 hours

Community-built hour-by-hour breakdown with sourced public records

Profile photo of Sofia MarchettiSofia Marchetti
1,204 reactions
COLD
Vintage radio equipment in a dark room with glowing dials and static interference
Mystery1974#DOS-039

Signal Lost: The Appalachian Radio Case

Season 3, Episode 5 — A broadcast that shouldn't have been possible. A frequency no one owned.

344K
4.9
67 min
Evidence
2 days ago

I found the original police dispatch logs for DOS-004. Some timestamps don't match.

Profile photo of Tanvir AhmedTanvir Ahmed
612 replies
COLD
Old notary seal and fountain pen on weathered parchment documents
Season 11991#DOS-009

The Notary's Secret

Season 1, Episode 9 — A forged deed. An inheritance dispute. A death ruled natural.

156K
4.5
48 min

Featured Case

Community Intelligence

The Audience
Investigates.

Every listener is a researcher. Every pause is a clue. The Dossier community has filed over 3 million FOIA requests, contributed 12,000 active discussion threads, and helped reopen six cold cases.

"I maintain a 47-page Google Doc tracking every inconsistency in the Holt case. Dossier is the only podcast that makes me feel like the research actually matters."

Profile photo of Kezia Okonkwo

Kezia Okonkwo

Amateur Investigator · Brooklyn, NY

38

episodes

847K

Reddit members

12,400

Active threads

3.2M

FOIA requests filed

6

Cases reopened

Community investigation board with photographs, handwritten notes, and connecting strings pinned across cork

r/DossierPodcast

847,000 members · 12,400 active threads


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Recording Since 2019

The Production

Dossier is an independent audio production house. No network. No corporate oversight. Every case is chosen because it deserves to be heard — not because it trends.

What We Produce

The file is never
closed.

01

Cold Case Archive

Unsolved disappearances, wrongful convictions, unexplained deaths — serialized into multi-episode investigations with original reporting.

Old file folders and manila envelopes stacked in a dark archive room
02

Courtroom Transcripts

Verbatim trial recordings, FOIA-obtained documents, and never-aired testimony reconstructed into audio narratives.

Empty courtroom with wooden benches and dramatic overhead lighting
03

Community Investigations

Listener-sourced evidence, Reddit thread syntheses, and amateur detective work elevated into production-grade audio.

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Take the Cases With You

247 cases.
All in your pocket.

Offline listening, bookmark timestamps, cross-reference case files. The full investigation — wherever you go.

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