put the finger one(someone); To identify and accuse one of doing something; to inform on one to an authority figure.: Don't you dare put the finger on me! I had nothing to do with the deal going sour. I fear my life is in danger now that I've put the finger on the mob boss.)
clam up("The suspect clammed up and we could get no more information out of him". == "Подозреваемый замолчал, и мы не смогли выудить из него больше ничего", - говорит комиссар Ле Пешен.)
