r/UnresolvedMysteries is a subreddit with 4.5M members. The most common kinds of discussions are news and 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
News
: "Arch Sloan, longtime key suspect in the Oakland County Child Killer case, gave detectives new information hours before his death in June 2026"
31 posts
#2
Advice Requests
: "Three Arrests Have Been Made In The Disappearance of Sara Graham (Feb, 2015)"
7 posts
#3
Solution Requests
: "Need help finding a missing person case."
1 post
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
Crime
3 posts
#7
Abduction
2 posts
#8
Murders
2 posts
#9
Unsolved Murders
2 posts
#10
Disappearance
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
: "[1978] - A 41-year-old mother of five was murdered in her Melbourne home in broad daylight. A neighbour saw a man in an Air Force uniform leaving her front gate at around the time of death. The investigation said he simply didn't."
49 posts
#2
Disappearance
: "Three boys went missing after going off to explore a cave known as “Murphy’s Cave”. What happened to Edwin Craig Dowell, William Francis Hoag and Joel Wise Hoag?"
38 posts
#3
Update
: "John Doe 5, an unknown man who appeared in images where he abused children, has been identified. Nine individuals remain on the FBI'S ECAP list."
20 posts
#4
John/Jane Doe
: "Couple comes back home after a six minths long vacations; They find an unknown man in their bedroom closet who seemingly took his life when they were gone- Who was the Middlesex County John Doe? (1982)"
11 posts
#5
Unexplained Death
: "The 1993 Khamar-Daban Incident: How did a group of experienced Siberian hikers suddenly begin bleeding from their eyes and ears and die within minutes, leaving only one survivor?"
7 posts
#6
Meta
: "Meta Monday! - July 20, 2026 Talk about anything that interests you; what's going on in your world?"
6 posts
#7
Other Crime
: "Any luck on finding John Doe 41"
3 posts
#8
Media/Internet
: "Question regarding missing people who are still "missing" but not"
2 posts
#9
Removed
: "Could a 1985 Kentucky hit-and-run still have unanswered questions?"
1 post
#10
Request
: "Need help finding a missing person case."
1 post
Member Growth in r/UnresolvedMysteries
Yearly
+53k members(1.2%)
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Last updated: July 24, 2026