WHO KILLED CAMILLE PERNIOLA?

According to https://www.nytimes.com/1972/03/20/archives/braindamaged-girl-found-fatally-stabbed-in-queens.html, 17-year-old Camille Perniola was killed on March 19, 1972 with a single stab wound inside the house where she lived at, located at 90‐27 143th Street in the Jamaica neighborhood of Queens in New York near the JFK home condominium, it is not clear whether it was already so called at the