Final answer:
In the 1960s, the FBI developed criminal profiling to enhance their investigative efforts into murders by analyzing crime scene evidence and information to create psychological profiles of offenders. Option B is correct.
Step-by-step explanation:
In the 1960s, the FBI developed B) Criminal profiling to gain more information on victims and offenders of murder. Criminal profiling involves analyzing evidence from crime scenes and information about victims and perpetrators, to develop a psychological profile that can guide investigators towards identifying and apprehending suspects. While other methods such as forensic anthropology, DNA profiling, and ballistic fingerprinting play significant roles in modern forensic investigations, it was criminal profiling that was notably advanced by the FBI during this period.