I'm sure anons have dug up already, but just in case
Former FBI agent that gave polygraph is Jeremiah Hanifin, here is vid of him on fox. cant really find much else about him other than the recent media appearances. but prolly just cause hes a spook
https://dailycaller.com/2018/09/27/ford-testimony-polygraph-polygrapher/
http://insider.foxnews.com/2018/09/27/christine-blasey-ford-brett-kavanaugh-allegation-former-fbi-agent-accusers-polygraph-test