We're wondering about this bit:
[quote]also has been assigned to watch for any signs of traitors.[/quote]
We can't see any training for this in the history... So why would the CIA (or similar) assign him to do so without training him for it? 

its natural for anyone to be expected to be wary of traitors, but you don't assign anyone specifically to do just that without giving them training in identifying such. Higher-ups may be not-too-smart at times, but they know their stuff in this area.