50 True Crime TikTok Video Ideas for 2026

True crime is one of TikTok’s most addictive niches. Unsolved cases and criminal psychology generate massive watch time.

Exceptional retention rates — viewers watch start-to-finish more than almost any other category.

Unsolved Cases (1-10)
1. "Disappearance that baffled the FBI" — Cold case
2. "Cipher killer nobody can identify" — Unsolved
3. "Missing person from your state" — Local
4. "Jane Doe identified after 40 years" — Breakthrough
5. "Crime that changed forensic science" — Innovation
6. "Serial killer still at large" — Active
7. "Unsolved mystery keeping me up" — Personal pick
8. "Witness vanished before trial" — Suspicious
9. "Case solved by TikTok viewer" — Community
10. "Evidence that doesn’t make sense" — Contradictions

Criminal Psychology (11-20)
11. "Nature vs. nurture in serial killers" — Psychology
12. "Interview technique catching liars" — Interrogation
13. "Body language revealing guilt" — Analysis
14. "Psychology of con artists" — Manipulation
15. "False confessions — why?" — Wrongful
16. "FBI profiling method" — Criminal profiling
17. "Psychopath vs. sociopath" — Clinical
18. "Childhood signs of future criminal" — Warning
19. "Caught by their own phones" — Digital forensics
20. "Stanford Prison Experiment lesson" — Authority

Famous Cases (21-30)
21. "Night of the Menendez brothers" — Retold
22. "Bundy’s escape nobody talks about" — Details
23. "Real Making a Murderer story" — Documentary
24. "BTK’s mistake that got him caught" — Capture
25. "Golden State Killer and DNA" — Science
26. "Madeleine McCann — latest" — Active
27. "Dahmer’s neighbor knew" — Red flags
28. "Zodiac’s closest call" — Near capture
29. "Case that inspired Silence of Lambs" — Real
30. "Unabomber — brother turned him in" — Family

Forensic Science (31-40)
31. "DNA solved 30-year case" — Forensics
32. "Lie detector myths" — Polygraph
33. "Forensic artists reconstruct faces" — ID
34. "Fingerprint that cracked the case" — Classic
35. "Ground-penetrating radar finds bodies" — Tech
36. "Blood spatter analysis" — CSI science
37. "New DNA technique for cold cases" — Genetic genealogy
38. "Digital forensics catches criminals" — Cyber
39. "Forensic mistake that freed a killer" — Errors
40. "How cause of death is determined" — Medical

Trending (41-50)
41. "POV: Detective reviewing evidence" — POV
42. "True crime facts hard to believe" — Shocking
43. "Rating true crime documentaries" — Review
44. "Case from your birth year" — Personalized
45. "Cases solved by internet sleuths" — Community
46. "What case haunts you most?" — Q&A
47. "Scariest cases tier list" — Ranking
48. "Neighbor who had no idea" — Proximity
49. "Cold cases that might be solved" — Active
50. "Wrongful conviction that angers you" — Justice

FluxNote makes it easy to turn any of these ideas into polished TikToks:

- Enter the hook as your topic — AI generates an engaging script around it
- Choose relevant footage — Select visuals that match your true crime niche
- Use bold subtitles — Karaoke or highlighted styles grab attention on TikTok
- Keep it 30-60 seconds — Sweet spot for true crime content on TikTok

- Respect victims always
- Cliffhangers for multi-part series
- Post evenings for peak engagement
- Cite sources — accuracy matters
- Create case series
- Engage ethically — no sensationalism