Waking the Dead

Yahrzeit (1) (6x11)

Uitzenddatum: Feb 18, 2007

Boyd receives an anonymous package in the post – a Nazi ceremonial dagger. Attached to it is a Cold Case number, linking it to the unsolved murder of a young girl in May 1945. It seems that Mel had been working on the case before her death, what does this mean for the Cold Case Team?