Another man walked up to their window. Martin Palmer could not tell if he was from the military or the police: he was dressed in black from his helmet to his boots, with no badge or insignia in sight. The man in black rapped on his drivers side window with the steel muzzle tip of his black submachine gun. Open up! Get out! Now!
I posted a link to that chapter back around 47.
One of these days, the cops are gonna' search the wrong guy, find nothing and let him go.
Now that he knows where the checkpoint is, he comes back...this time well armed....