Thank you for visiting my website! If you need help finding the answer to the clue It's when Macbeth kills Duncan from the Washington Post crossword then you're in luck because we've found the answer. After looking for all the other hints and any other related information to the clue It's when Macbeth kills Duncan from the Washington Post crossword puzzle we finally found a possible answer. The answer that we found for the clue It's when Macbeth kills Duncan is: