If you want to read something that's relevant, look up this article from 2004 online:
Surviving the Myth
by Anthony J. Pinizzotto Ph.D., Harry A. Kern, M.Ed., Edward F. Davis, M.S.
FWIW, even rifles and shotguns can't be relied upon to produce "one-shot stops", let alone handguns ...
Retired LE - firearms instructor & armorer