WHO KILLED FRANCINE TUMINELLO?

According to https://www.newspapers.com/article/32143240/daily_news/ and https://murderincorp.wordpress.com/torso-killer/, New York Telephone Company Babylon office employee Francine Tuminello was killed on May 28, 1972 after being seen at a party at the Kismet Inn on Fire Island, New York, then trying to take a boat ride. The victim’s body was found a year later in Saltaire, still on Fire