FBI: Fidelity - Bravery - Integrity

From the introduction: Washington D.C. - in the middle of August... ...the whole city suffers from three weeks of heat. Not a cloud in the sky. Even the asphalt on the road seems to have given up the fight and just melted away. The radio vaguely predicts more temperatures above 35 C in the next few days, but even that doesn't disrupt the intense energy between the two black-dressed men who have been sitting for four brutal hours in a tiny, cramped van.