Rich was his source for the DNC emails.
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(but they made up for killing Rich, outside the building they put up a plack on the wall in his honor,if you can believe that!!) Recently, I have wondered if Rich was shot,not killed only shot,by two MS 13 goons or FBI. New intel suggests that it was latin speaking individuals which tends to suggest MS13.
I recall reading that it had to have been an inside job due to the amount of content that was downloaded. Downloading it remotely would have taken significantly more time vs. on premise was my recollection.