WHO KILLED KATHERINE ANN ALSTON?

As reported by https://www.doj.nh.gov/news/2023/20230109-victim-identified.htm , in January 2023 a Jane Doe was identified as Katherine Ann Alston, killed in 1971 and found on Kilton Road in the near Sullivan Drive in Bedford, New Hampshire. After a marriage to Ralph Lawson Garrett Jr., the victim divorced and moved first to Cambridge and then to 36 Beacon