I've been in all areas of the map, but that didn't make a difference. I gave up on trying to leave the mansion covertly, so I proceeded to kill everyone else that was left. Unfortunately, the only people left were civilians. No matter how loudly I killed the civ's, I was still officially "covert." I ever killed the corrupt official, but that didn't make a difference. Instead of starting the mission over, I'm just going to start a new character From the looks of this forum, the scout is a pretty good late-game unit. (I normally play as a grenadier).