There really isn't a check in/check out system because under regular circumstances you're not supposed to take it out of the building period. The only rare exception is it you have courier authorization to transport it from one SCIF to another, but I got a feeling this wasn't the case especially since it was on a thumb drive. People just end up walking it out the building and somebody he works with must have tipped him off to the feds.
Environmental_Day558 t1_j9wvmiv wrote
Reply to comment by Wild234 in Retired Air Force officer pleads guilty to possessing classified documents by YsThisGameSoBad
There really isn't a check in/check out system because under regular circumstances you're not supposed to take it out of the building period. The only rare exception is it you have courier authorization to transport it from one SCIF to another, but I got a feeling this wasn't the case especially since it was on a thumb drive. People just end up walking it out the building and somebody he works with must have tipped him off to the feds.