>>21695902 lb
FWIW; definitive evidence that "Bubushka lady" was Beverly Oliver was never achieved. Perhaps she was a "red herring" plan, injected into the research, to distract from Baroness Rothschild? As others apparently contend was the identity of the mystery witness.
I've read that "Bubushka Lady" is the only person standing by, watching from the sidewalk, near where the killing took place, who evaded identification by a great effort of crowd-sourced sleuthing over many years.
tyb