cold trail
- dead endPassage without outlet
- cluesHints toward answers
- detectiveProfessional crime investigator
- investigationFormal examination of facts
- mysterySomething unexplained or unknown
hunt · scent · tracking · evidence · case · missing · vanished · stale · faded · leads · pursuit · search · bloodhound · footprints · forensics · unsolved · abandoned · dusty
cold trailhot trail
hot lead · fresh scent · fresh evidence · fresh tracks · smoking gun