UnsolvedMysteries

Twitter 2011-04 entertainment active Updated 2026-02-15
Early 2010s Notable 6 million+ lifetime posts

First documented in April 2011 on Twitter. Currently active and in regular use across social platforms since 2011.

Also known as: UnsolvedMysteriesNetflixUnsolvedCase

Overview

#UnsolvedMysteries references both the iconic 1987-2010 TV series hosted by Robert Stack and Netflix’s 2020 reboot. The hashtag covers unsolved crimes, disappearances, and paranormal phenomena.

Original Series Legacy

The original Unsolved Mysteries (1987-2002 NBC/CBS, 2008-2010 Spike) solved over 260 cases through viewer tips, making it one of TV’s most effective crowdsourcing tools before the internet era.

Netflix Reboot (2020)

Netflix relaunched the series on July 1, 2020 (Volume 1) during pandemic lockdowns, achieving perfect timing. The hashtag exploded as isolated viewers binged episodes and discussed theories online.

Notable Cases:

  • Rey Rivera (Episode 1): Death ruled suicide, internet believes murder
  • Alonzo Brooks (Episode 1): Body exhumed after episode aired, FBI reclassified as homicide
  • Tsunami Spirits (Episode 7): Japanese ghost stories post-2011 tsunami

Impact

The reboot generated real investigative leads, with FBI confirming the Brooks episode directly influenced their decision to reopen the case.

Community

The hashtag combines serious investigative discussion with memes (“I bet it was the husband”), showcasing true crime’s evolution from passive viewing to active participation.

Sources:

  • Netflix Unsolved Mysteries (2020-2022)
  • FBI press release on Alonzo Brooks case (2020)
  • https://unsolved.com/

Explore #UnsolvedMysteries

Related Hashtags

2011 2022 #UnsolvedMyster… 2011 #12YearsASlave 2013 #13ReasonsWhy 2015 #BuzzFeedUnsolv… 2016 #1917Movie 2019 #1917 2019 #1899Netflix 2022
Related hashtags by year of first appearance — circle size reflects lifetime volume, fade reflects how active each tag still is.