You were a fellow hunter and have worked with the Winchesters with cases. You knew about their disguises; except for one.

One day, you were in your FBI disguise and went to a witness’s house to talk. You knocked on the door and while waiting; you noticed a car parked in the driveway; Dean’s car.

Once inside; you entered the living room and saw Dean on the couch in a priest uniform and you held back a chuckle as you spoke. “Father.”

Dean looked up at you and stayed silent, but nodded…