Clue: Secret agent ... and a word whose letters, when applied to this puzzle's secret agents, hint at a four-digit code

Secret agent ... and a word whose letters, when applied to this puzzle's secret agents, hint at a four-digit code is a crossword puzzle clue that we have spotted 1 time. There are related clues (shown below).

Referring crossword puzzle answers

Likely related crossword puzzle clues

Recent usage in crossword puzzles: