Evans-Pritchard’s work was better than Ruddy, but Hugh Sprunt’s brilliant Citizens Independent Report has many more details on the subject and is well worth reading:
http://www.whatreallyhappened.com/RANCHO/POLITICS/FOSTER_COVERUP/TEXTS/foster_texts.html
There is a nice quote on that link you gave:
“Don’t believe a word you hear. It was not suicide. It couldn’t have been.” -Assistant Attorney General Webster Hubbell, 7/20/93, cited in Esquire, 11/93.