by Mary W. Maxwell, Ph.D., LL.B. {Article revised on 13 August 2021 by the author.) [Editor’s note: I have added a few images (with captions) and corrected a few minor mistakes, which are in brackets […] or as Editor’s notes as well as adding links to Mary’s other books and to a book review.] I am a dual citizen of US and Australia and have been involved in investigating cases in both my countries. For example, in Australia I investigated the 2014 “siege” of the Lindt Cafe in Sydney, a…