I agree, it is, and that probably isn't an all bad thing for those of us playing armchair quarterback.
Dark lanyard guy doesn't have a moustache.
President's lead agent has a moustache. (And a dark lanyard more visible in another picture.)
Another possible alternative, several scuffles were going on, and the top picture doesn't include whatever scuffle involved the lead agent. My current scenario...moustache guy and yellow lanyard guy are both USSS. Clean shaven dark lanyard guy...Chilean? or other.