r/UnresolvedMysteries is a subreddit with 4.5M members. The most common kinds of discussions are news, and the community frequently discusses worst, unsolved, murder, frustrating, and cases, 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
News
: "International student from India goes on a solo trip from Texas to Alaska; After he checks out of his hotel on New Year's Eve, nobody hears from him again- Where is Hari Karasani? (2025)"
10 posts
Popular Topics in r/UnresolvedMysteries
#1
Worst
10 posts
#2
Unsolved
: "The Black Dahlia murder case is close to being solved 79 years later, but the public needs our help"
8 posts
#3
Murder
: "The Black Dahlia Murder case is close to being solved 79 years later, but the public needs our help"
8 posts
#4
Frustrating
5 posts
#5
Cases
5 posts
#6
Missing Persons
: "Philadelphia Police Have Announced An Update In The Disappearances Of Gabriella Amarando (Missing Since Sep, 2012) and Maribel Fresses (Missing Since Feb, 2018)"
5 posts
#7
History
5 posts
#8
Frustrating Case
4 posts
#9
Unsolved Murder
: "The Black Dahlia murder case is close to being solved 79 years later, but the public needs our help"
4 posts
#10
Murder Case
: "The Black Dahlia Murder Case is close to being solved 79 years later, but the public needs our help"
4 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
Disappearance
: "International student from India goes on a solo trip from Texas to Alaska; After he checks out of his hotel on New Year's Eve, nobody hears from him again- Where is Hari Karasani? (2025)"
13 posts
#2
Update
: "Philadelphia Police Have Announced An Update In The Disappearances Of Gabriella Amarando (Missing Since Sep, 2012) and Maribel Fresses (Missing Since Feb, 2018)"
10 posts
#3
Murder
: "Late 5th century AD: An entire community at Sandby Borg on Öland is slaughtered and the site left abandoned"
8 posts
#4
John/Jane Doe
: "Who is 'Lucky'? Suffered a stroke in 2023 in Amsterdam and is no longer able to communicate."
5 posts
#5
Unexplained Death
: "Today 18 years ago Dutch primary school teacher Mariska Mast (23) died unexpectedly and strange"
5 posts
#6
Meta
: "Meta Monday! - August 17, 2026 Talk about anything that interests you; what's going on in your world?"
2 posts
#7
Phenomena
: "Here is why I think the secret government entities fight so hard to keep the truth about UFOs from us"
1 post
Member Growth in r/UnresolvedMysteries
Yearly
+60k members(1.4%)
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About
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Last updated: August 25, 2026