r/coldcases is a subreddit with 47k members. The community frequently discusses cold case, murder, unsolved, missing person, and unsolved murder, and the most common flair used is cold case, discussion, and theories.
Write and read about criminal cold cases.
Popular Topics in r/coldcases
#1
Cold Case
151 posts
#2
Murder
92 posts
#3
Unsolved
53 posts
#4
Missing Person
41 posts
#5
Unsolved Murder
40 posts
#6
Disappearance
20 posts
#7
True Crime
20 posts
#8
Mystery
16 posts
#9
Missing Persons
15 posts
#10
Missing
13 posts
Flair Used in r/coldcases
#1
Cold Case
: "Who is the Black Tag Lady of 9/11?"
16 posts
#2
Discussion
: "My wife was told that her ex-boyfriend’s grandfather killed a woman over 70 years ago. I found a real missing-person case matching the name. Should we report this to police?"
4 posts
#3
Theories
: "Just asking about percentil possibility about suspicious death"
1 post
Member Growth in r/coldcases
Yearly
+7k members(16.5%)
Similar Subreddits to r/coldcases
r/RBI
877k members
6.8% / yr
r/TrueCrimeDiscussion
1.3M members
6.2% / yr
r/TrueCrimeMystery
47k members
11.9% / yr
r/TrueCrimePodcasts
998k members
1.6% / yr
r/UnresolvedMysteries
4.5M members
1.6% / yr
r/UnsolvedMurders
140k members
8.5% / yr
r/UnsolvedMysteries
561k members
6.0% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/coldcases, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: October 15, 2026