Definition of cold case in English:

cold case


  • An unsolved criminal investigation which remains open pending the discovery of new evidence.

    ‘the cold cases that have never been solved’
    • ‘Finally we've got cops working cold cases.’
    • ‘Essex Police are investigating what could be a cold case murder in Tollesbury, with possible East End gangland links.’
    • ‘We want to assure the public this will not become a cold case.’
    • ‘They have a top cold case investigator working on this case with them.’
    • ‘Today many police departments have cold case units.’
    • ‘In the past 15 years, nearly two dozen "cold cases" from the civil-rights era have been reinvestigated, many leading to successful prosecutions.’
    • ‘Using advanced techniques in forensic science, the Met's crack squad of experts gets under the skin of some tough cold cases to discover the truth.’
    • ‘Though she provided evidence and information, the police ignored her, and so the unsolved crime went quickly into the cold case file.’
    • ‘Britain is a world-leader in solving cold cases, thanks largely to its national DNA database.’
    • ‘He is reopening a cold case from 2001 in which a 46-year-old Wichita woman was strangled and dumped in a creek.’
    • ‘This inquiry has started a momentum in looking at cold cases, not only from a forensic science point of view but also from an investigative one.’
    • ‘In January, a new cold case detective unit was established to trawl over old murder and rape cases in an attempt to catch violent offenders still at large.’