Oregon standoff: Refuge workers had 'a sense' about visitors before takeover
http://www.oregonlive.com/oregon-standoff/2016/03/oregon_standoff_refuge_workers.html
He said Fish & Wildlife Service workers in December took steps "to prepare for the unknown."
He said he maintained normal operations until Christmas, but afterward directed four maintenance workers who live on the refuge to move out. He also told employees to work always in teams.
He said refuge employees noticed people parking at the refuge headquarters and coming into the office, describing them as "not quite normal ... it was just a sense you had." Authorities shared a photo of one militant with employees as a precaution.
http://www.oregonlive.com/oregon-standoff/2016/03/oregon_standoff_refuge_workers.html