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Dive into compelling cold cases and unsolved mysteries that have captivated detectives for decades.

Image for Thor Nis Christiansen
SOLVED
Wikipedia

Thor Nis Christiansen

Southern California Hitchhiker Slayer

Isla Vista, California
1976-1979
4 Confirmed Victims
Image for Arms Crisis
OPEN CASE
Wikimedia

Arms Crisis

Political Arms Smuggling Scandal

Dublin, Ireland
1970
0 Confirmed Victims
Image for Columbine High School Massacre
OPEN CASE
Wikimedia

Columbine High School Massacre

1999 Colorado School Massacre

Columbine, Colorado, United States
April 20, 1999
16 Confirmed Victims

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