Final answer:
In the case of an unsolved murder, law enforcement conducts an investigation and gathers evidence to identify potential suspects. If the case remains unsolved, it may be periodically reviewed by specialized investigative teams using advanced techniques and technologies to uncover new leads or evidence.
Step-by-step explanation:
In the case of an unsolved murder, the specific actions taken can vary depending on the legal system and jurisdiction. Generally, the first step is for law enforcement to conduct a thorough investigation to gather evidence and identify potential suspects. This may involve collecting physical evidence, interviewing witnesses, and analyzing any available forensic evidence.
If the investigation is unable to solve the murder, the case may remain open and continue to be investigated over a longer period of time. Cold case units or specialized investigative teams may be assigned to review the case periodically and look for new leads or evidence.
In some cases, additional techniques such as DNA analysis, advanced forensic technologies, or the use of databases may be employed to re-examine the evidence. The hope is that new information or advancements in technology may help to uncover the truth and bring justice to the victim and their loved ones.