coldcase
A cold case is a criminal investigation that remains unsolved after investigators have exhausted routine leads and the case has moved beyond the period in which it is typically pursued for close resolution. Definitions vary by jurisdiction; many agencies designate a case as cold after a set number of years with no meaningful progress, or when investigative activity has halted for extended periods.
Cold cases are typically reopened when new information emerges, when a suspect is identified, or when advances
Advances in technology have transformed cold-case investigations. DNA analysis, genetic genealogy, improved fingerprint and digital forensics,
Notable examples include the arrest and charging of the Golden State Killer in 2018 after DNA profiling
Cold-case work faces challenges, including limited or degraded evidence, scarce resources, and privacy concerns related to