When I worked for the Fed, if you left classified documents even on your work station, even to use the restroom, the Security boss would have your butt in a sling.
They have entire internal training courses for this very thing.
Of course you needed to attended the training to know what was in the regulations.
EXACTLY!!
For all the people who respond to this or other threads with ‘who cares’ and so forth, I wish they would just go to a thread that they care about. Frankly, this story interests me for the very reason in which you responded.