Who killed Shirley Fawcett-Kivlin?

Shirley Fawcett Kivlin died on December 3, 1951 (date with sum of 22 = Rosicrucian perfection) in Long Beach, California due to an overdose of barbiturates. The drug in question is Seconal, which already emerged in the crime of Ruth Spaulding, the secretary of the killer doctor George Hill Hodel of the Zodiac group, as