English to Polish Other Slang

Our agent hung back just long enough to get the van’s license plate. Then the agent had to make a split-second decision. The rest of his team was already rocketing east on the highway, trying to keep up with Zazi while trying not to be seen. A teammate called out on the radio asking for the agent’s “20.” The white van was still parked.

Agenci FBI śledzą osobę podejrzewaną o planowanie zamachu terrorystycznego (Zazi). Co może oznaczać w slangu FBI to '20'? W książce ten termin pojawia się tylko raz.