Jane's brother (me) was totally unaware of this now deceased person until re-establishing contact with Don Mitchell via this site in 2016. My own "possible", still alive and not to be named, was interviewed by Cambridge p.d. in 1969 and apparently "alibi'd out".
I would be premature in discussing details, but it is my feeling that barring a random attack, Jane's killer was involved with her in an actual or attempted sexual relationship which went bad. She was attracted to more than a few men, was "wronged" by at least one, may have done likewise to...
“her brother”
I am the late Jane Sanders Britton’s younger brother, and the last surviving member of the Joseph Boyd Britton/Ruth Gertrude Reinert Britton branch of our family. My and Jane’s half brother and sister are still living, born of our dad’s prior...