I'll add my two comments in addition to those that have already been stated.
1. The young FBI partner - he's the slowest guy to come to your aid EVER....Hardy has time to come across gutted guard, get his gun taken, marched to a stairwell, talk to Joe a while, helicopter arrives, gets his gun back and shoots bad guy, climbs to roof, empties clip at helicopter and the partner is nowhere to be seen! Must have stopped to have lunch at one of the tables. But - he's proven in several previous episodes he can't be counted on for a timely rescue.
2. A fancy Marshall transport vehicle like that and there's no video feed from the back compartment to the cab? The only way to check on the passengers is to stop and open the back doors? What if he was having a seizure and dying in the back - you don't find out till you get to your destination to let him out?
...and it's not worth my time to go back and watch again, but I'm still not quite sure how the warden used that doctored camera footage to get Joe out of the transport.....Hardy watched (in person) Joe get in and they shut the doors, then drove out and away while he was still standing there - no?