#4

"They never found who did it" narration-first unsolved-crime shorts

True Crime · low saturation · 210-day half-life

Profit score62.6
Estimated RPM band
$3.8–$9.6 / 1K views

One of the stickiest true-crime subformats; high completion and save rates; endless topic bank.

Score components

  • View velocity0.50
  • Saturation inverse0.82
  • CPM proxy0.15
  • AI generability0.87
  • Longevity0.81
  • Cross-platform portability0.92
  • true-crime
  • unsolved-mystery
  • narration
  • storytelling

Production cheat sheet

Storytelling · 90s recommended

Script structure

Hook
Open in-scene: a specific character, a specific decision from the "They never found who did it" narration-first unsolved-crime shorts story.
Body
Three-act mini-arc: setup, complication, reversal. 7–9 beats at ~10s each.
Payoff
Land on the emotional sentence, not the factual one. Leave a hook for part 2 if the story extends.

Visual sources

  • Public-domain mugshots + court documents
  • Archival: newspaper / microfiche scans
  • AI-generated: location-reconstruction overlays

Voice tone

Low, deliberate, documentary-style. ElevenLabs 'Adam' or 'Antoni' at stability 0.7 / similarity 0.85.

Cross-platform

Publishable unchanged on TikTok, YouTube Shorts, and Instagram Reels.

Saturation context

Very low saturation; clean opportunity for a new voice.