WHO KILLED ELLEN FAITH RUTCHICK?

According to https://www.newspapers.com/article/42867585/sumpter-rutchick-found-1/ , Ellen Faith Rutchick was killed at the age of 23 on January 5, 1972 inside her residence located at 483 Beacon Street in Boston, near the Massachusetts Avenue Bridge on the water and not far from the Colonnade Hotel in Boston where he worked at 120 Huntington Avenue in Boston. The