Home›Landmark Cases›Concept Illustrated›Cold CaseFoundational ConceptCold CaseInvestigation and Evidence ConceptsReference and ClassificationDevelopingAn unsolved crime, typically a serious offense such as homicide, that has not been actively investigated for a significant period, often reopened when new techniques such as DNA profiling become available to reexamine old evidence. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/FactsCold CaseConnectionsSourcesComments (0)Reader Challenges (0)FactsDomainWell-attestedCriminal investigation 1Cold CaseFilter Results4 entriesCase EraAll1968 (1)2001 (1)2005 (1)2018 (1)Case StatusAllUnsolved (1)Investigating InstitutionAllFederal Bureau of Investigation (1)King County Sheriff's Office (1)San Francisco Police Department (1)Wichita Police Department (1)Offense InvolvedAllMurder (4)Rape (1)Serial Murder (4)Location or JurisdictionAllCalifornia, United States (1)King County, Washington, United States (1)San Francisco Bay Area, California, United States (1)Wichita, Kansas, United States (1)Group TreeAllDNA Identification Cases (2)Documentary and Digital Evidence Cases (1)Unsolved Serial Murder Investigations (1)Forensic Discipline UsedAllDigital Forensics (1)DNA Profiling (2)Forensic Document Examination (1)Show ResultsBrowseCompareSelect all 4BTK CaseCold CaseGolden State Killer CaseCold CaseGreen River Killer CaseCold CaseZodiac Killer CaseCold CaseConnectionsExemplified By CasesBTK Case, Landmark Cases Well-attested The case lay dormant for decades before the offender resumed contact in 2004.Source Wikipedia: Dennis Radertier 3Golden State Killer Case, Landmark Cases Well-attested Source Wikipedia: Joseph James DeAngelotier 3Green River Killer Case, Landmark Cases Well-attested The murders went unsolved for nearly two decades before DNA evidence closed the case.Source Wikipedia: Gary Ridgwaytier 3Zodiac Killer Case, Landmark Cases Well-attested Source Wikipedia: Zodiac Killertier 3Sources1. Siegel, Criminology: The Coretier 1Larry J. Siegel, Cengage LearningWikipedia: Gary Ridgwaytier 31982-1984: First known victims sectionA unique kind of spray paint was found on clothing wrapped around the victim's neck, but the paint was not tested for 20 years.1982 to 1984, First known victims sectionLater advances in DNA profiling allowed investigators to definitively link Ridgway to the murders.Exemplified By Cases: Green River Killer CaseView the SourceWikipedia: Dennis Radertier 3Exemplified By Cases: BTK CaseView the SourceWikipedia: Joseph James DeAngelotier 3Exemplified By Cases: Golden State Killer Case, lead section, arrest dateQuote, Exemplified By Cases: Golden State Killer Case, lead section, arrest dateOn April 24, 2018, Sacramento County Sheriff's deputies arrested DeAngelo in the side yard of his Sacramento home.View the SourceWikipedia: Zodiac Killertier 3Exemplified By Cases: Zodiac Killer Case, lead sectionQuote, Exemplified By Cases: Zodiac Killer Case, lead sectionThe Zodiac Killer (also known by the pseudonym The Zodiac) is an unidentified serial killer.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.