cold case
US /ˈkoʊld keɪs/
UK /ˈkoʊld keɪs/
1.
caso sin resolver, caso frío
an unsolved criminal investigation that has been closed but could be reopened if new evidence emerges
:
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Detectives reopened the cold case after a new witness came forward.
Los detectives reabrieron el caso sin resolver después de que apareciera un nuevo testigo.
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The documentary explored several famous cold cases.
El documental exploró varios casos sin resolver famosos.