One problem with the patient zero theory, though. The Nunes memo was said to contain no factual errors, prior to release. In that memo, it names Papadopoulos as the person that piqued interest to initiate the investigation. The timeline in this 6 minute interview would suggest intel was monitoring his contacts and picked up chatter about him sometime in March 2016. Unless the FBI went all the way back to the 2013 spy ring involvement with Page, it would seem ‘patient zero’ is actually Papadopoulos in this case.
http://www.wbur.org/hereandnow/2017/10/31/timeline-george-papadopoulos