r/UnresolvedMysteries is a subreddit with 4.5M members. The most common kinds of discussions are advice requests, and the community frequently discusses frustrating, cases, frustrating case, worst, and unsolved, and they frequently recommend/review true crime books and true crime podcasts.
A subreddit dedicated to the unresolved mysteries of the world.
Submissions should outline a mystery and provide a link to a more detailed review of the case such as a Wiki article or news report.
Replies analysing and speculating over the mystery and possible explanations are encouraged.
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Popular Themes in r/UnresolvedMysteries
#1
Advice Requests
: "Annie McCarrick and the Lost Women of Ireland"
7 posts
Popular Topics in r/UnresolvedMysteries
#1
Frustrating
5 posts
#2
Cases
5 posts
#3
Frustrating Case
4 posts
#4
Worst
3 posts
#5
Unsolved
3 posts
#6
Abduction
2 posts
#7
Murders
2 posts
#8
Unsolved Murders
2 posts
#9
Disappearance
2 posts
#10
Unsolved Mystery
2 posts
Products Discussed in r/UnresolvedMysteries
True Crime Books
67 reviews
#1
Ann Rule
5.0★ from 4 reviews
#2
Vincent Bugliosi
5.0★ from 3 reviews
#3
Matt Birkbeck
5.0★ from 2 reviews
True Crime Podcasts
57 reviews
#1
Casefile
4.8★ from 5 reviews
#2
Generation Why
4.8★ from 4 reviews
#3
Unresolved
4.0★ from 4 reviews
Flair Used in r/UnresolvedMysteries
#1
Murder
: "The Brutal Murder of Debbie Linsley on a London Train (1988)"
19 posts
#2
Update
: "13yo Izabela Strzałkowska's 2011 murder solved after 15 years, killer caught and confessed"
9 posts
#3
Disappearance
: "In the summer of 1933, 10-year-old Walter Robinson vanished without a trace from Newton, Iowa. Despite an exhaustive search spanning multiple states, he was never seen again. What happened to Walter Robinson?"
7 posts
#4
John/Jane Doe
: "John Doe from UK with polish origin."
3 posts
#5
Media/Internet
: "Question regarding missing people who are still "missing" but not"
2 posts
#6
Meta
: "Meta Monday! - July 20, 2026 Talk about anything that interests you; what's going on in your world?"
2 posts
#7
Lost Artifacts
: "Why do so many of the non-US posts here get taken down?"
2 posts
#8
Phenomena
: "What is the origin of COVID-19?"
2 posts
#9
Unexplained Death
: "The Lead Masks Case"
1 post
#10
Request
: "Help With Remembering Missing Person Case"
1 post
Member Growth in r/UnresolvedMysteries
Yearly
+54k members(1.2%)
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About
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Last updated: July 29, 2026