Jaffa is found in the first volume: I provide a URL for the English edition, Vol. 1:
Note the translator's footnote.
These volumes were published five years before "Bourrienne died in a lunatic asylum". Do we know when he became a "lunatic". Who diagnosed it? How was he committed to the "asylum" and by whom? When did Bourrienne "make notes"? Do they still exist? What was his mental condition at that time?
Did small children whisper anything when he passed by?
Enquiring minds want to know, eh.