Techniques Used by Cold Case Teams
Cold case teams employ a variety of techniques to solve unresolved cases. These methods vary depending on the nature of the case, but there are several common approaches:
1. Re-examination of Evidence
Cold case investigators often revisit physical evidence, such as DNA samples, fingerprints, and fibers, utilizing advanced forensic technology that wasn't available when the case was first investigated. This may include new methods like mitochondrial DNA analysis or touch DNA.
2. Interviews and Re-interviews
They conduct interviews with witnesses and persons of interest. Often, years later, individuals may be more willing to speak or may recall details that they initially overlooked or were afraid to share.
3. Public Appeals and Media Involvement
Cold case teams often engage the public through media, requesting tips or information that may lead to a breakthrough. They might collaborate with true crime podcasts to raise awareness and reach larger audiences.
4. Behavioral Analysis
Psychological profiling of suspects can provide insights into possible motivations and methods. Behavioral analysts may help in understanding patterns that could lead to identifying potential suspects.
5. Collaboration with Other Agencies
Cold case units frequently collaborate with other law enforcement agencies and organizations, sharing resources and information to develop comprehensive strategies for solving cases.
By integrating these techniques, cold case teams strive not only to seek justice but also to provide closure to victims' families.