cold case
noun[C]
uk/ˌkəʊld ˈkeɪs/us/ˌkoʊld ˈkeɪs/acase(= aseriesofeventsinvestigatedby thepolice)that has not beensolved:
（未解决的）冷案，悬案ThePoliceDepartmentbeganusinginternslastSeptemberto take afreshlookatold,unsolvedmurdercases, alsoknownascoldcases.去年九月，警察局开始使用实习生来重新审视那些陈年未破的谋杀案，也就是所谓的悬案。
Acoldcaseunitwasformedspecificallytoreviewand reinvestigate all of the department'sunsolvedkillings,accordingtopolice.警方表示，已经成立了一个悬案小组，专门审查和重新调查该部门所有未解决的谋杀案件。
- More than sixyearsafter themurder, thehomicideunit'scoldcasesquadis reinvestigating thecase.
- We'rereopeningthiscoldcase,basedon thisinformation, and will be doingfollow-upinterviewsassoonaspossible.
- Lawenforcementagenciesin Washington andacrossthecountryrely onDNAdatabasestohelpsolveso-calledcoldcases.
Detection & solving crimes
- all-points bulletin
- ankle bracelet
- ankle tag
- ANPR
- APB
- gumshoe
- identikit
- identity parade
- lie detector
- manhunt
- raid
- random breath test
- RBT
- reconstruction
- reward
- tighten the netidiom
- tracker dog
- truth serum
- videofit
- watch list