Explore carefully researched true-crime files by country, decade and status. We document victims, investigations and unanswered questions with context — never spectacle.
Select a region or choose a country below.
Leave the archive for a few minutes and test observation, logic and true-crime knowledge. Choose a challenge, follow the clues and see how your reasoning holds up.
Enter the Mind Lab →Unusual, disturbing and difficult cases — documented without turning victims into spectacle.

A cannibalism case involving three homicide convictions and one of Brazil’s most disturbing criminal investigations.
Open case file →
Takahiro Shiraishi used social media to contact vulnerable people and murdered nine victims in Zama, Japan, in 2017. He was convicted and executed in 2025.
Open case file →
In 2011, five members of the Dupont de Ligonnès family were found buried at their Nantes home. Xavier Dupont de Ligonnès vanished and remains sought in connection with the killings.
Open case file →
A family of four was killed in Setagaya, Tokyo, at the end of 2000. The offender left extensive physical evidence, yet the case remains unsolved.
Open case file →
The Brabant Killers carried out a series of violent robberies in Belgium between 1982 and 1985, leaving 28 people dead. The identities of the core perpetrators remain unknown.
Open case file →
Catrine da Costa’s remains were found in the Stockholm area in 1984. Two doctors were acquitted of murder, and no one has been convicted of causing her death.
Open case file →Browse by investigation type when geography is not enough.
Browse the archive by this investigative theme.
101 case filesBrowse the archive by this investigative theme.
45 case filesBrowse the archive by this investigative theme.
35 case filesBrowse the archive by this investigative theme.
16 case filesBrowse the archive by this investigative theme.
71 case filesBrowse the archive by this investigative theme.
16 case filesBrowse the archive by this investigative theme.
17 case filesBrowse the archive by this investigative theme.
25 case files
25 case files
10 case files
24 case files
24 case files
25 case files
25 case files
24 case files
20 case files
24 case files
25 case files
24 case files
24 case files
25 case files
25 case files
24 case files
24 case files
24 case files
25 case files
24 case files
21 case files
24 case files
25 case files
25 case files
25 case files
25 case files
24 case files
25 case files
24 case files
21 case files
46 case files
24 case files
24 case files
25 case files
25 case files
25 case files
20 case files
24 case files
24 case files
24 case files
23 case files
24 case files
24 case files
24 case files
24 case files
24 case files
23 case files
23 case files
24 case files
24 case files
24 case files
24 case files
24 case files
19 case files
22 case files
9 case files
9 case files
8 case files
9 case files
9 case files
8 case files
8 case files
8 case files
8 case files
7 case files
7 case files
8 case files
7 case files
5 case files
8 case files
8 case files
8 case files
7 case files
8 case files
7 case files
8 case files
8 case files
7 case files
8 case files
8 case files
8 case files
7 case files
8 case files
7 case files
7 case files
7 case files
7 case files
7 case files
4 case files
2 case files
Each case file separates allegations from verdicts, links to source material and avoids graphic crime-scene spectacle.