When a woman working for the Seattle Police Department is murdered outside the station, detectives won't rest until they catch their friend's killer - Even if it takes 50 years.




Sources:
https://www.findagrave.com/memorial/160643908/helen-mcgrath

https://www.youtube.com/watch?v=sCZCLWAdhuA

https://www.wired.com/story/detectives-cracked-the-golden-state-killer-case-using-genetics/

https://apnews.com/a2f91cad86a9492cbcd1abb6b800ce8b

https://www.nydailynews.com/news/crime/ny-dna-family-tree-lead-police-alleged-killer-1967-murder-20190508-c6opdhbxkjho5bmzlr7aoc6f3m-story.html

https://abcnews.go.com/US/52-years-20-year-woman-found-dead-seattle/story?id=62905042

www.newspapers.com