A cold case is an unsolved crime no longer being investigated.
The young couple realize that there may be an unsolved crime to investigate.
The case has been marked in the police records as an unsolved crime.
The idea was to have a system which could pick up links between unsolved major crimes.
He let me read a copy of his report on the unsolved crime.
Whether it was an unsolved crime or an unidentified body, the all-purpose answer served.
In the past ten years she's confessed to every unsolved crime on the planet.
The string of unsolved crimes had moved from the past to the present.
The lawyer's policy was to avoid discussions of unsolved crime.
We're doing a story on old unsolved crimes for the Sunday magazine.